Practice by Category & Subject

The VERIFY command enables or disables verification of file writes to disk. When VERIFY is ON, DOS checks that data is written correctly by reading it back after writing. This ensures data integrity but slows down write operations. VERIFY OFF (the default) skips this verification for faster performance. Use VERIFY ON for critical data operations where accuracy is paramount.

Question 2 Easy Mcq

✓ Correct ✗ Incorrect

Which statement about AUTOEXEC.BAT is true?

It is located in the root directory of the boot device

It is called by COMMAND.COM

All three statements are true

It is a plain text file

Explanation:

All three statements are true: AUTOEXEC.BAT is a plain text file located in the root directory of the boot device and called by COMMAND.COM during startup. It contains startup commands that execute automatically when DOS boots, setting environment variables, loading TSR programs, and configuring the system. Users can edit AUTOEXEC.BAT to customize the boot process and automate system initialization tasks.

Question 3 Easy Mcq

✓ Correct ✗ Incorrect

Which statement about Quick Format is true?

All three statements are true

Quick format performs an unconditional format

Quick format does not check for bad sectors

Quick format can be performed on an unformatted drive.

Explanation:

Quick format does not check for bad sectors, which is what makes it 'quick'. Unlike a full format, it only removes the file allocation table and root directory without scanning the entire disk surface. This makes it much faster but less thorough. Quick format is best used on disks that are already known to be in good condition and simply need to be erased quickly.

Question 4 Easy Mcq

✓ Correct ✗ Incorrect

What is the command to clear the screen?

CLS

CLEAR

CLS and CLEAR

ERASE

Explanation:

CLS (Clear Screen) is the DOS command that erases all text from the screen and positions the cursor at the top-left corner. It provides a clean workspace by removing previous command output and clutter. CLS is commonly used in batch files before displaying new information or when starting fresh tasks to improve screen readability.

Question 5 Easy Mcq

✓ Correct ✗ Incorrect

What type of OS is MSDOS?

Single user, GUI

Multi user, CUI

Single user, CUI

Multi user, GUI

Explanation:

MS-DOS is a single-user, command-line interface (CUI) operating system that allows only one user and runs one program at a time. It uses text-based commands rather than graphical elements, requiring users to type instructions at a prompt. This simple architecture suited early PCs with limited resources, though it lacked the multitasking and multi-user capabilities of more advanced operating systems.

Question 6 Easy Mcq

✓ Correct ✗ Incorrect

What is the command that will change to the root directory irrespective of the current directory?

CD\

CD\\

CD..

CD\..

Explanation:

CD\ changes to the root directory of the current drive regardless of the current directory location, using the backslash to represent the root. This command provides a quick way to navigate to the top of the directory tree without specifying a full path. CD\ is commonly used in batch files and when you need to start navigation from a known base location.

Question 7 Easy Mcq

✓ Correct ✗ Incorrect

The following is an example of a CONFIG.SYS file:DEVICE=C:\WINDOWS\HIMEM.SYSDOS=HIGH,UMBDEVICE=C:\WINDOWS\EMM386.EXE NOEMSFILES=30STACKS=0,0BUFFERS=20DEVICEHIGH=C:\WINDOWS\COMMAND\ANSI.SYSDEVICEHIGH=C:\MTMCDAI.SYS /D:123What is the purpose of the line DEVICE=C:\WINDOWS\HIMEM.SYS?

It makes extended memory available for loading drivers

It specifies Printer driver information

It specifies CD-ROM information

It loads DOS into high memory in an Upper Memory Block

Explanation:

HIMEM.SYS is a memory manager that provides access to extended memory (XMS) on systems with more than 1MB of RAM. It enables DOS to use memory beyond the conventional 640KB limit. This is crucial for running memory-intensive applications and loading device drivers into upper memory. HIMEM.SYS must be loaded before other memory management utilities like EMM386.EXE.

Question 8 Easy Mcq

✓ Correct ✗ Incorrect

Which of the following command installs file-sharing and locking capabilities on the hard disk?

RESTORE

SUBST

XCOPY

Explanation:

SHARE installs file-sharing and locking support, enabling multiple programs to safely access files simultaneously in network or multitasking environments. It provides file and record locking mechanisms preventing data corruption from concurrent access. SHARE is required for network file sharing and some multi-user applications, though it consumes memory and slightly reduces file access performance.

Question 9 Easy Mcq

✓ Correct ✗ Incorrect

Which statement about TSR is true?

All three statements are true

TSR returns control to the system but keeps the program in memory

TSR uses interrupts to return control to a program in memory

TSR creates the appearance of multitasking

Explanation:

All three statements are true: TSR (Terminate and Stay Resident) programs return control to DOS but remain in memory, use interrupts to regain control when activated, and create multitasking-like behavior. TSRs load into memory and become dormant until triggered by specific events like hotkeys or hardware interrupts. Examples include DOS utilities like DOSKEY and print spoolers that provide services while other programs run.

Question 10 Easy Mcq

✓ Correct ✗ Incorrect

Which of the following command will display the list of all previous commands entered by the user?

DIR/ALL

KEYDOS

COMMANDS/ALL

DOSKEY

Explanation:

DOSKEY maintains command history and displays previously entered commands when called with appropriate switches or using arrow keys for recall. While DOSKEY is primarily a TSR for command-line editing and macros, it stores and provides access to recent command history. The F7 key with DOSKEY loaded displays a numbered list of previous commands for selection and reuse.

Question 11 Easy Mcq

✓ Correct ✗ Incorrect

Which of the following will create a bootable floppy disk?

FORMAT A: /S

All three commands will create a bootable floppy disk

FORMAT A: /S /V:BOOT

SYS C: A:

Explanation:

FORMAT A: /S formats the floppy disk and transfers system files, creating a bootable disk capable of starting the computer. The /S switch adds system files (IO.SYS, MSDOS.SYS, COMMAND.COM) after formatting. While FORMAT A: /S /V:BOOT also works (adding a volume label), and SYS C: A: can make a formatted disk bootable, the basic FORMAT A: /S is the standard method.

Question 12 Easy Mcq

✓ Correct ✗ Incorrect

What is DOS?

a file server

a command prompt

an operating system

a programming language

Explanation:

DOS is an operating system that manages computer hardware resources, provides file management services, and enables program execution. It serves as the intermediary between applications and hardware, handling disk operations, memory allocation, and input/output. DOS was the dominant PC operating system in the 1980s and early 1990s before being largely replaced by graphical operating systems.

Question 13 Easy Mcq

✓ Correct ✗ Incorrect

What is the order of precedence when COMMAND.COM searches for executable files?

.COM, .EXE, .BAT

.EXE, .COM, .BAT

.EXE, .BAT, .COM

there is no order of precedence

Explanation:

COMMAND.COM searches for executables in the order: .COM (compact executable), .EXE (extended executable), then .BAT (batch file). This precedence affects which program runs when multiple files with the same name but different extensions exist. Understanding search order prevents conflicts and ensures the intended program executes when ambiguous commands are entered.

Question 14 Easy Mcq

✓ Correct ✗ Incorrect

Which of the following DOS command will display the name of files in sorted order?

Dir/o:n

Dir/so

Dir/ah

Dir/an

Explanation:

DIR /O:N displays directory contents sorted by filename in ascending alphabetical order. The /O (order) switch controls sorting, with :N specifying name-based sorting. Other sorting options include /O:E (extension), /O:S (size), /O:D (date), and adding minus sign for descending order, providing flexible directory organization for different viewing needs.

Question 15 Easy Mcq

✓ Correct ✗ Incorrect

True or False. DOS is not a single operating system but several closely related operating systems.

true

false

Explanation:

This statement is TRUE. DOS refers to a family of disk operating systems including MS-DOS (Microsoft), PC-DOS (IBM), DR-DOS (Digital Research), and others. While these systems shared similar command structures and functionality, they were developed by different companies and had distinct features. The term 'DOS' became a generic reference for this class of command-line operating systems that dominated personal computing in the 1980s and early 1990s.

Question 16 Easy Mcq

✓ Correct ✗ Incorrect

What is accomplished by the following DOS command:SYS a:

It allows you to delete the system files from drive A

It is used to copy the system files from one drive to another drive by making that drive bootable.

It allows the user to see the specifications of drive A

Explanation:

The SYS command copies DOS system files (IO.SYS, MSDOS.SYS, and COMMAND.COM) to the specified drive, making it bootable. When you run 'SYS A:', it transfers the system files from the current drive to drive A (typically a floppy disk). This is essential for creating bootable disks that can start the computer without a hard drive.

Question 17 Easy Mcq

✓ Correct ✗ Incorrect

The PATH command is typically found in which file?

MSDOS.SYS

AUTOEXEC.BAT

CONFIG.SYS

COMMAND.COM

Explanation:

AUTOEXEC.BAT typically contains the PATH command, which sets the search path for executable files during system startup. The PATH command defines directories where DOS searches for .COM, .EXE, and .BAT files when commands are entered. Placing PATH in AUTOEXEC.BAT ensures the search path is configured automatically at boot, enabling command execution from any directory.

Question 18 Easy Mcq

✓ Correct ✗ Incorrect

Which of the following is true about FASTOPEN?

Provides summary Help information for MS-DOS commands

Decreases the amount of time needed to open frequently both used files and directories

Decreases the amount of time needed to open frequently used files and directories

Decreases the amount of time needed to open frequently used files

Explanation:

FASTOPEN decreases the time needed to open frequently used files and directories by caching their disk locations in memory. This external command maintains a table of file and directory positions, eliminating repeated disk searches for commonly accessed items. FASTOPEN improves performance in directory-intensive operations but consumes memory and provides limited benefits with modern caching mechanisms and faster storage devices.

Question 19 Easy Mcq

✓ Correct ✗ Incorrect

"Active Code Page: 437" is displayed when using this command:

CDCH

CHCD

CDPH

CHCP

Explanation:

CHCP (Change Code Page) displays or sets the active code page for character set encoding. Code page 437 is the original IBM PC character set including line-drawing characters and special symbols. Entering CHCP without parameters displays the current active code page, while CHCP followed by a number changes to that code page for international character support.

Question 20 Easy Mcq

✓ Correct ✗ Incorrect

What DOS command formats a floppy disk and copies system files to the formatted disk?

FORMAT A: -S

FORMAT A: /S

SYS A:

SYS A: /S

Explanation:

FORMAT A: /S formats the floppy disk in drive A and transfers system files (IO.SYS, MSDOS.SYS, COMMAND.COM) making it bootable. The /S switch adds the system transfer capability to the basic format operation. This creates a bootable disk that can start the computer independently, useful for emergency boot disks and system recovery.

Question 21 Easy Mcq

✓ Correct ✗ Incorrect

Which external command file is required to use “format” command?

format.dos

format.com

format.exe

format.hlp

Explanation:

FORMAT.COM is the external command file required to execute the FORMAT command, containing the code for disk formatting operations. External commands are separate executable files loaded from disk when needed, unlike internal commands built into COMMAND.COM. FORMAT.COM must be accessible (in the current directory or PATH) for the FORMAT command to work.

Question 22 Easy Mcq

✓ Correct ✗ Incorrect

What is the FDISK utility used for?

It allows the user to Format the hard disk drive

It allows the user to delete and/or create partitions on the hard disk drive

It allows the user to quickly format floppy diskettes so they can have fresh data saved on them

It allows the user to specify the size of the floppy disk to format

Explanation:

FDISK is a disk partitioning utility that creates, deletes, and manages partitions on hard drives. It divides a physical hard drive into logical sections (partitions) that can be formatted with different file systems. FDISK is crucial for setting up a new hard drive or reorganizing disk space. After creating partitions with FDISK, you must format them before they can store data.

Question 23 Easy Mcq

✓ Correct ✗ Incorrect

What does formatting a disk mean?

Build/rebuild tracks only

Build/rebuild sectors only

Erasing data

Build/rebuild tracks, sectors

Explanation:

Formatting a disk builds/rebuilds tracks and sectors, creating the physical structure needed for data storage while erasing existing data. The process divides the disk surface into tracks (concentric circles) and sectors (wedge-shaped divisions), establishing the organizational framework for the file system. Formatting also checks for defective areas and creates file allocation tables tracking data locations.

Question 24 Easy Mcq

✓ Correct ✗ Incorrect

Which command is used to set the name to a disk in DOS?

DISKLABEL

VOL

LABEL

VOLUME

Explanation:

LABEL assigns or changes the volume label (name) of a disk, providing descriptive identification for storage media. The command syntax is LABEL [drive:] [label] to set a new disk name or modify existing labels. Volume labels appear in directory listings and help identify disks, particularly useful when managing multiple drives or removable media.

Question 25 Easy Mcq

✓ Correct ✗ Incorrect

Which command do you use to list all the files and folders whose name contains TST from second character?

dir tst

dir ?tst

dir *tst

dir ?tst*

Explanation:

DIR ?TST* lists files where the first character is anything (?), followed by 'TST', then any remaining characters (*). The question mark wildcard matches exactly one character, while asterisk matches zero or more characters. This pattern finds filenames like ATST.TXT, BTSTFILE.DOC, or 1TST where 'TST' appears starting at the second position.

Question 26 Easy Mcq

✓ Correct ✗ Incorrect

The following is an example of an AUTOEXEC.BAT file:@echo offSET SOUND=C:\SOUNDS\SPEAKERS\SOUNDSET BLASTER=B320 I2 D1 H5 P330 E620 T6SET PATH=C:\WINDOWS;C:\LH C:\WINDOWS\COMMAND\MSCDEX.EXE /D:123LH C:\MOUSE\MOUSE.EXEDOSKEYCLSWhat is the purpose of the line SET PATH=C:\WINDOWS;C:\ ?

It tells the computer where WINDOWS is installed

It tells the computer where DOS is installed

It tells the computer where to search if a command used at the prompt is not found

Explanation:

The PATH command specifies directories where DOS searches for executable files (.COM, .EXE, .BAT) when a command is entered. In this example, PATH=C:\WINDOWS;C:\ tells DOS to search the Windows directory and the root directory. When you type a command, DOS first checks the current directory, then searches each directory listed in PATH sequentially until it finds the executable.

Question 27 Easy Mcq

✓ Correct ✗ Incorrect

What will the following DOS command accomplish?RMDIR c:\test

It will remove the test directory with all its files

It will allow the user to rename the test directory

It will remove the test directory if empty

It allows users to edit files in the test directory

Explanation:

RMDIR (Remove Directory) or RD deletes a directory only if it's empty. If the directory contains any files or subdirectories, the command fails with an error message. You must first delete all contents before removing the directory. To remove a directory tree with all contents, use DELTREE instead. This safety feature prevents accidental deletion of important data.

Question 28 Easy Mcq

✓ Correct ✗ Incorrect

Which statement about COMMAND.COM is true?

All three statements are true

It has two modes: interactive and batch

It is the shell for the DOS operating system

It runs AUTOEXEC.BAT

Explanation:

All three statements are true: COMMAND.COM is the DOS shell with interactive and batch modes, runs AUTOEXEC.BAT, and provides the command-line interface. It's the command interpreter that processes user commands, executes internal commands from memory, and loads external commands from disk. COMMAND.COM is essential to DOS operation, providing the primary user interface for system interaction.

Question 29 Easy Mcq

✓ Correct ✗ Incorrect

Which of the following commands is used to copy all the files stored in floppy disk into the DATA directory of hard disk (c drive)?

copy A:* c:data

copy A: C:

copy A:*.* c:data

copy A:data C:

Explanation:

COPY A:*.* C:\DATA copies all files (using *.* wildcard for all names and extensions) from the floppy drive A: to the DATA directory on the C: drive. The *.* pattern matches every file regardless of name or extension, ensuring complete transfer. This command is essential for backing up floppy disks to hard drives or transferring data between storage media.

Question 30 Easy Mcq

✓ Correct ✗ Incorrect

It allows DOS to load up to 30 files at the same time

It allows DOS to load 30 DOS commands at the same time

It allows DOS to load 30 lines at the same time

It allows DOS to load 30 Kilobytes of data at the same time

Explanation:

FILES=30 specifies the maximum number of files that can be open simultaneously in DOS. This setting allocates memory for file handles. If programs need to open many files at once, this number may need to be increased. The default value is often too low for complex applications, so setting it to 30 or higher ensures programs can open multiple files without errors.

Question 31 Easy Mcq

✓ Correct ✗ Incorrect

Which of the following is true about external command MSD?

Provides detailed technical information about the computer

Moves one or more files

Scans thecomputer for known viruses

Deletes a directory/file

Explanation:

MSD (Microsoft Diagnostics) provides detailed technical information about the computer including hardware configuration, memory, drivers, and system resources. This external utility helps diagnose hardware problems, verify system configuration, and document computer specifications. MSD displays information about CPU, memory, video, disk drives, and other hardware components in an organized interface.

Question 32 Easy Mcq

✓ Correct ✗ Incorrect

Which of the following external command compares two files or sets of files, and displays the differences between them?

COMPARE

EXPAND

CMP

Explanation:

FC (File Compare) is the correct DOS external command for comparing files. It compares two files or sets of files line by line and displays the differences between them. The command supports both ASCII and binary file comparisons. FC is useful for identifying changes between file versions or verifying file integrity after copying.

Question 33 Easy Mcq

✓ Correct ✗ Incorrect

Which command will display all the directories of the current directory in ascending order of creation date?

dir /o:d /s

dir /o:d /a:d

dir /od/an

dir /ad/on

Explanation:

The DIR command with /O:D /A:D switches displays directories sorted by date. The /O:D parameter sorts by date in ascending order (oldest first). The /A:D parameter filters to show only directories (not files). Together, these switches list all directories in the current folder ordered from oldest to newest by creation date.

Question 34 Easy Mcq

✓ Correct ✗ Incorrect

What would the following DOS command accomplish?TYPE c:\autoexec.bat

It allows the user to edit the AUTOEXEC.BAT file

It allows the user to find out the size of the AUTOEXEC.BAT file

It allows the user to view the contents of the AUTOEXEC.BAT file

It allows the user to find out if the AUTOEXEC.BAT file is hidden or not

Explanation:

The TYPE command displays the contents of a text file on the screen. It's a read-only command that shows file contents without allowing editing. For the AUTOEXEC.BAT file, TYPE displays all the startup commands and configurations. To edit files, you would use EDIT command instead. TYPE is useful for quickly viewing configuration files and batch files.

Question 35 Easy Mcq

✓ Correct ✗ Incorrect

What is the maximum size of the PATH that can be specified in DOS?

82 bytes

102 bytes

122 bytes

255 bytes

Explanation:

DOS limits the PATH environment variable to 255 bytes (characters). This limitation was a constraint of the DOS environment variable system. If you exceed this limit, DOS may truncate the PATH or fail to set it properly, causing commands and programs in later directories to not be found. This was a common issue when many programs added their directories to the PATH.

Question 36 Easy Mcq

✓ Correct ✗ Incorrect

DOS is an acronym for?

Digital Operating System

Digital Operation System

Disk Operation Software

Disk Operating System

Explanation:

DOS stands for Disk Operating System. The name reflects its primary function of managing disk storage and providing a command-line interface for file operations. DOS became the standard operating system for IBM-compatible personal computers in the 1980s and early 1990s, before graphical operating systems like Windows became dominant.

Question 37 Easy Mcq

✓ Correct ✗ Incorrect

What is the first program that gets run after boot?

AUTOEXEC.BAT

CONFIG.SYS

COMMAND.COM

WIN.INI

Explanation:

COMMAND.COM is the first user-accessible program that runs after the DOS kernel loads, providing the command-line interface and executing AUTOEXEC.BAT. While IO.SYS and MSDOS.SYS load first as system files, COMMAND.COM is the first interactive program users encounter. CONFIG.SYS is a configuration file, not a program, and AUTOEXEC.BAT runs after COMMAND.COM loads.

Question 38 Easy Mcq

✓ Correct ✗ Incorrect

In Windows Xp, what is the file equlivalent to CONFIG.SYS ?

config.txt

config.ini

Config.Nt

None of the above

Explanation:

CONFIG.NT is the Windows XP equivalent of the DOS CONFIG.SYS file. It's used to configure the MS-DOS subsystem in Windows NT-based systems (including Windows XP). This file is located in the System32 folder and is used when running DOS applications in the Windows environment. It allows configuration of DOS settings without affecting the main Windows system configuration.

Question 39 Easy Mcq

✓ Correct ✗ Incorrect

What is the full form of DOS?

Digital Office Systems

Digital Operating System

Disk Operating System

Data Organization Software

Explanation:

DOS stands for Disk Operating System, emphasizing its role in managing disk-based storage and file operations. The name reflects the system's primary function of controlling disk drives and organizing data on magnetic storage media. Various DOS versions existed (MS-DOS, PC-DOS, DR-DOS), all sharing the core purpose of disk and file management through command-line interfaces.

Question 40 Easy Mcq

✓ Correct ✗ Incorrect

In XCOPY command, What is the arguiment used for avoiding prompt for overwrite ?

Explanation:

/Y suppresses prompting to confirm overwriting existing destination files during XCOPY operations, enabling unattended batch file execution. Without /Y, XCOPY asks for confirmation before replacing each existing file, which interrupts automated processes. This switch is essential for backup scripts and automated file copying where user interaction isn't possible or desired.

Question 41 Easy Mcq

✓ Correct ✗ Incorrect

What is the size limitation of MS-DOS file name and extension?

8 and 3

255 and 3

255 and 8

3 and 8

Explanation:

MS-DOS limits filenames to 8 characters for the name and 3 characters for the extension, following the 8.3 naming convention. This restriction stems from the FAT file system design in original DOS versions, allocating fixed space for directory entries. The limitation influenced early PC file naming practices and persisted until VFAT introduced long filename support in later DOS and Windows versions.

Question 42 Easy Mcq

✓ Correct ✗ Incorrect

A program or command to execute automatically when OS starts is kept in which file?

config.sys

system.bat

command.com

autoexec.bat

Explanation:

The autoexec.bat file contains commands that execute automatically when DOS starts, enabling system configuration and program launching at boot. This batch file allows users to set environment variables, load drivers, configure paths, and run startup programs. Autoexec.bat was essential for DOS system customization before modern operating systems introduced graphical startup configuration tools.

Question 43 Easy Mcq

✓ Correct ✗ Incorrect

What is the command to create a new directory in MS-DOS?

MCD

Explanation:

MD (Make Directory) or MKDIR creates a new directory in MS-DOS, adding a new folder to the file system hierarchy. The command syntax is 'MD directoryname' to create a subdirectory in the current location or 'MD path\directoryname' for specific locations. MD enables organizing files into hierarchical structures, fundamental to file system management in DOS environments.

Question 44 Easy Mcq

✓ Correct ✗ Incorrect

Which device is the MSCDEX command associated with?

Floppy drive

Hard disk

RAM

CD-ROM

Explanation:

MSCDEX (Microsoft CD-ROM Extensions) is the DOS driver that provides CD-ROM functionality. It acts as an interface between the operating system and CD-ROM hardware. MSCDEX assigns drive letters to CD-ROM drives and enables file access from CDs. It must be loaded in AUTOEXEC.BAT after the low-level CD-ROM device driver is loaded in CONFIG.SYS.

Question 45 Easy Mcq

✓ Correct ✗ Incorrect

What will be accomplished by the following DOS commandCOPY myfile1.txt + myfile2.txt

This command will append the contents of myfile2.txt to myfile1.txt

This command would overwrite myfile2.txt with myfile1.txt. The name of the resultant file will be myfile2.txt

This command will overwrite myfile1.txt with myfile2.txt. The name of the resultant file will be myfile1.txt

This is an invalid syntax

Explanation:

The COPY command with the + operator concatenates files. COPY file1 + file2 appends the contents of file2 to the end of file1, with file1 containing the combined result. This is useful for merging text files or combining file fragments. You can also specify a destination: COPY file1 + file2 combined.txt creates a new file with both contents while preserving the originals.

Question 46 Easy Mcq

✓ Correct ✗ Incorrect

Which command would you use to get information about a particular disk volume?

VOL

VOLUME

DKVOL

DISKVOL

Explanation:

The VOL command displays the volume label and serial number of a disk. This information helps identify specific disks and verify you're working with the correct drive. The volume label is a name assigned to a disk during formatting. The serial number is automatically generated and uniquely identifies the disk, useful for tracking removable media.

Question 47 Easy Mcq

✓ Correct ✗ Incorrect

What is the command to list only the hidden files under the current directory?

DIR /A

DIR /H

DIR /A:S

DIR /A:H

Explanation:

DIR /A:H lists only hidden files in the current directory by filtering for the hidden attribute specifically. The /A switch shows files with attributes, and :H specifies the hidden attribute exclusively. This command helps locate hidden system files or deliberately concealed files that don't appear in normal directory listings, useful for system administration and troubleshooting.

Question 48 Easy Mcq

✓ Correct ✗ Incorrect

Which of the following statements about the RENAME command is correct?

It permits users to change the name of a file without making a copy of it

It permits users to change the name of a file by making a copy of it

None of the above

Explanation:

The RENAME (or REN) command changes a file's name without creating a copy, saving disk space and time. The original file is simply given a new name in the directory structure, with no data duplication. This is different from copying a file and then deleting the original. RENAME only works within the same directory and cannot move files to different locations.

Question 49 Easy Mcq

✓ Correct ✗ Incorrect

Which command do you use to display the contents of a file?

type

info

copy

edit

Explanation:

TYPE displays the contents of a text file on the screen, outputting the file's text content line by line. This internal command is useful for quickly viewing file contents without opening an editor. TYPE works best with text files; binary files produce unreadable character output and may cause screen display issues.

Question 50 Easy Mcq

✓ Correct ✗ Incorrect

What is the correct syntax for editing the CONFIG.SYS file?

Alter c:\config.sys

edit c:/config.sys

edit c:\config.sys

edit config.sys/c:

Explanation:

The correct syntax is 'edit c:\config.sys' using the EDIT command followed by the full path with backslashes. DOS uses backslashes (\) as path separators, not forward slashes (/). The EDIT command launches DOS's built-in text editor for modifying configuration and batch files. CONFIG.SYS is located in the root directory of the boot drive.

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