Instead of typing the familiar DOS commands, the shell user can manipulate DOS files by using a mouse to point at and click on icons.
Further, the setup program creates an "uninstall" disk that contains copies of the user's current DOS files.
This isn't as easy as it sounds because all the DOS 5 files are compressed.
For example, it has long been possible to work with DOS files (as opposed to applications) on a Macintosh.
EXE files but does infect standard DOS files easily.
DOS files can be read and written directly into the Unix file system.
DOS 6.2 contains a simple word-processing program, good enough to write memos to yourself or to edit DOS files.
The program also works with DOS files through Windows, although I did not try that.
The Virdem model represented the first programs that could replicate themselves via addition of their code to executable DOS files in COM format.
Warp evidently merged part of a DOS file into one of its own.