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Questions and Answers
What is the primary function of the CD command in the file system?
What is the purpose of the MD command in the file system?
What is the function of the DELTREE command in the file system?
What is the purpose of the RD command in the file system?
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What is the purpose of the DISPLAYS command in the file system?
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What are the DOS WILDCARDS * and? used for in the file system?
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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.
