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== Germanized-English RSX Commands and VDOS differences compared to AMSDOS ==
* VDOS is Vortex apparently considered the normal AMSDOS RSX commands |TAPE.xx and |DRIVE/|USER too difficult for german users, and changed them to |CAS and |SELECT (which resemble equivalent german words ''Kassette'' and ''Selektieren''). This is making VDOS slightly incompatible with AMSDOS and all other AMSDOS clones (except for Dobbertin's X-DDOS, which supports both the english and germanized dialects)DOS.
|SELECT is used to both select user andSee [[http:/or drive/www. ecpcwiki.g. |SELECT,"3" for user 3, |SELECT,"B" for drive B, |SELECT "4B" for user 4 on drive Beu/index. php/VDOS doesn't have USER or DRIVE commands. * When using CAS CATALOG you give the address of a buffer to fill with the list of files in the current user and drive. The format of this data differs compared to AMSDOS. AMSDOS uses: <ff> <8 bytes filename> <3 bytes extension> <2 bytes size in K> with a byte of 00 to indicate the end of the list. VDOS uses: <user> <8 bytes filename> <3 bytes extension> <2 bytes size in K> with a byte of FF to indicate the end of the list. This is important if you use CAS CATALOG and parse the data to fetch the list of files. * AMSDOS allows you to specify both the user and drive in a filename. e.g. "3B:TEST.BIN" is valid and will try to find TEST.BIN in user 3 of drive B. VDOS doesn't allow this. VDOS only allows the drive to be specified. e.g. "B:TEST.BIN". Therefore it's recommended to use SELECT to specify the user. * VDOS will autoboot a file called "HELLO" if it exists on the disc. AMSDOS doesn't have this.]]
== Manuals ==