M.S. DOS (Microsoft Disk Operating System)
M. S. DOS is an operating system which is created by Microsoft company. It is command based operating system. It is not uses by people now but it has importance in programming. M. S. DOS screen is black in color and with c:/> prompt.
There are two types of command in M. S. DOS.
1. Internal commands
2. External commands
Internal Commands -
Internal commands is available in command.com file and can be quickly accessed.
Few internal commands are as follows:1. BREAK
2. CLS
3. CHDIR
4. COPY
5. CD
6. DEL
7. DIR
8. DATE
9. MD
10. REN
11. RMDIR
12. RD
13. TIME
14. TYPE
15. VOL
External Commands -
External command required a separate file to operate. They are powerful and helps to improve performance, fix problems etc.
Few external commands are as follows:
1. CHKDSK
2. DELTREE
3. TREE
4. PRINT
5. FIND
6. XCOPY
7. DISKCOMP
8. FORMAT
9. ATTRIB
10. SORT
11. MOVE
Example
DIR command is used to view the directory.
DIR/P command is used to view the directory page wise.
DIR/w/p command is used to view the directory page wise in wide format.
MD Ram command is used to make the directory with new name.
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