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Table Of Contents  CertiGuide to A+ (Operating Systems)
 9  Chapter 0011:  DOS
      9  IV  COMMAND.COM and Basic DOS Commands

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The VER command

DOS will tell you what version is running simply by typing VER & pressing enter at the command prompt.

DOS Version

Type VER then press Enter at the command prompt to determine what version of DOS is running. In Windows from the DOS Prompt VER will display the Operating System version.


Mixing up versions of programs from DOS can make the program appear corrupt. Occasionally, the DOS program is smart enough to figure out what is going on.

For example, the archaic program backup in DOS will display the error “wrong DOS version.”

?; Practice VER command

[spacer]DOS within DOS

Be cautious concern command.com and DOS version 5. There were actually two versions of DOS 5. Version A and Version C. The command.com for each are NOT interchangeable.



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