DOS System Files and Commands
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Questions and Answers

What is the primary function of the CD command in the file system?

  • To delete a directory and its contents
  • To display the current directory
  • To change the current directory (correct)
  • To create a new directory

    • What is the purpose of the MD command in the file system?

  • To delete a directory and its contents
  • To create a new directory (correct)
  • To change the current directory to the root directory
  • To move one level up from the current directory

    • What is the function of the DELTREE command in the file system?

  • To create a new directory
  • To move one level up from the current directory
  • To delete a directory and its contents (correct)
  • To change the current directory to the root directory

    • What is the purpose of the RD command in the file system?

    <p>To remove an empty directory</p> Signup and view all the answers

    What is the purpose of the DISPLAYS command in the file system?

    <p>To display the current directory</p> Signup and view all the answers

    What are the DOS WILDCARDS * and? used for in the file system?

    <p>To locate files with insufficient data</p> Signup and view all the answers

    Study Notes

    DOS System Files and Commands

    • Use DIR /A:R to display read-only files in the current directory.
    • ATTRIB command is used to view and change file attributes.
    • The DIR command with /A:H or -H can show hidden/not hidden files, respectively.
    • To filter system files, use DIR /A:S or -S.
    • To view only directories, apply DIR /A:D or -D, while /A:A or -A focuses on changed/unchanged files.
    • DIR /A:R or -R will show read-only or not read-only files.

    Formatting and System Transfer

    • Use FORMAT A: to format a disk in drive A.
    • FORMAT A:/s makes the disk bootable by transferring system files.
    • SYS A: command transfers necessary system files for the operating system onto the disk.

    Key System Files

    • Standard MS-DOS system files include COMMAND.COM, MSDOS.SYS for MS-DOS, and IO.SYS or IBMDOS.COM for PC-DOS.

    Batch Files

    • Batch files automate processes and contain frequently used commands.
    • Create or edit batch files using EDIT or Notepad.
    • Save files with a .BAT extension to execute them.
    • To stop a running batch file, use CTRL+C or CTRL+BREAK.

    Command Syntax

    • Windows Graphical User Interface utilizes specific syntax and rules derived from DOS commands.
    • File attributes can be viewed and modified using the ATTRIB command. Common attributes include:
      • Archive (+/- A): Indicates files need to be backed up.

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    Description

    Test your knowledge of DOS system files, attributes, and commands like DIR, ATTRIB, and FORMAT. Learn how to use them to manage files and directories in the DOS operating system.

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