cmd commands project
- 2. INDEX Introduction of DISK OPERATING SYSTEM MS DOS Execution picture of DOS Function of DOS DOS Commands INTERNAL COMMANDS :-COPY CON, MD,CLS. EXTERNAL COMMANDS :- EDIT ATTRIB RESTORE.
- 3. MS-DOS MS-DOS stand for Microsoft disk operating system. Most popular operating system used in MS. It is a non-graphical textual user interface operating system.
- 5. FUNCTIONS OF DOS It translates the commands in such a language that can be interpreted by the CPU and give result. It works as an interpreter which establishes a link between hardware and software.
- 6. DOS-COMMANDS:- INTERNAL COMMANDS These are automatically stored in the memory. Collected in COMMAND.COM program file. e.g. DIR,MD,CD,RD etc. EXTERNAL COMMAND Either stored on floppy disk or hard disk. Not collected in COMMAND.COM program file. e.g.FORMAT,TREE,CHK DSK etc.
- 7. INTERNAL COMMANDS COPY CON PURPOSE:-to create a file in directory or sub directory. Syntax:-c:>COPY CON<File name>
- 8. PURPOSE:- used to create a new directory or sub directory. Syntax:- c:>MD directory name MD (MAKE DIRECTORY)
- 9. Purpose :- used to clear the display screen and redisplay the DOS prompt at the upper left corner of the screen. Syntax : X:> CLS CLS
- 10. EXTERNAL COMMANDS:- EDIT PURPOSE :- used to create a new file or modify the contents of an existing file. Syntax:- c:1>EDIT<File Name>
- 11. Purpose :- used to change the attribute of a file i.e. user can use ATTRIB to make a file “read only” which prevent the file from the change of contents. Syntax :- C:> ATTRIB filename ATTRIB
- 12. Purpose :- used to restore file copied by BACKUP command. Syntax :- C:> RESTORE<< Source path>>/option RESTORE
- 13. Thank you