Professional MS DOS FAQ Questions and Answers

Welcome to our comprehensive Trivia Quiz and interview preparation guide. Below you will find a curated list of popular Trivia Questions and Answers specifically for MS DOS. Whether you are preparing for a technical interview or just testing your knowledge, these FAQ Questions will help you succeed.

Define commands?

A command is the name of special program that makes your computer carries out a task.

Define external commands of MS DOS?

Files with extension COM or EXE are external commands, because these commands are files, they are not built into operating system.

Define HELPS command in MS DOS?

When user type HELP command on DOS prompt, it will display all available commands on the dos. Syntax: HELP

Define internal commands of MS DOS?

Internal commands are built into the operating system as part of file called COMMAND.COM .they are loaded into memory whenever you switch on your computer .When you type an internal command MS-DOS perform it immediately.

Describe CLS, DATE, TIME, DIR, CHDIR commands?


1.The CLS command: CLS command is used for clearing the screen. Syntax: CLS
2. The DATE command: DATE command is used for displaying or setting the date of system. Syntax: DATE
3. The TIME command: TIME command is used for displaying or setting the time of system. Syntax: TIME
4. The DIR command: DIR command is used for displaying a list of files and subdirectories in a directory. Syntax: DIR
5. The CHDIR command: CHDIR command displays the name of or change the current directory.

Describe TREE, EDIT, FIND commands?


1.The TREE command: TREE command display the directory structure in graphical form. Syntax: TREE
2. The EDIT command: EDIT command start the MS DOS editor, which create and change ASCII files
3. The FIND command: Find command searches for text, strings in a files or file.

Give some example of external commands?

Following are the examples of external command.
1. TREE
2. EDIT
3. FIND
4. XCOPY

Give some example of internal commands?

Following are the examples of internal command.
1. CLS
2. DATE
3. Time
4. ver
5. ECHO
6. DIR
7. CHDIR
8. MD/MKDIR
9. RD/RMDIR
10. COPY

How to kill the process in the DOS environment?

To kill the process user must know the process-id of the the process that user want to kill, for this user will have to type TASKLIST command in DOS prompt .after getting the process-id user will have to type the TSKILL command. Syntax: TSKILL process-id
Example: TSKILL 2345

How to know the process-id in the DOS environment?

To know the process-id, user will have to type the TASKLIST command in DOS prompt.