Model I TRSDOS Commands
The Model I TRSDOS command shell supported a number of internal commands, as documented by the TRSDOS 2.3 Reference Manual. Most of the commands were also supported by other TRS-80 operating systems, although they usually added extra features beyond the TRSDOS versions.
Command | Description |
---|---|
APPEND file1 file2 | copy file1 at the end of file2 |
AUTO command | execute command upon startup |
ATTRIB filespec (param) | set protection attributes |
BASIC | start Disk BASIC |
BASIC2 | start Level II BASIC (non-disk) |
BASICR | start enhanced BASIC (which includes NAME command) |
CLOCK | show onscreen clock |
COPY file1 file2 | copy file1 to file2 |
DATE | set DATE |
DEBUG | real-time debugging program |
DEVICE | display I/O devices |
DIR | display directory |
DUMP | dump memory to disk |
KILL filespec | delete a file |
FREE | display free space on all drives |
LIB | display library commands |
LIST filespec | list text file contents to display |
LOAD filespec | load machine language file |
PRINT filespec | print text file to line printer |
PROT | change the protection status of all non-system files on the selected drive |
RENAME | rename a file |
TIME | set real-time clock |
TRACE | dynamically display program counter |
VERIFY | turn disk verification on or off |
Additional Utilities
These utilities were not built into TRSDOS, but were available as separate programs on the TRSDOS disk. Other TRS-80 operating systems featured greatly enhanced versions of these utilities.
Command | Description |
---|---|
BACKUP | duplicate a disk |
FORMAT | format a disk |
Auxiliary utilities
These extra utilities were specific to TRSDOS, although other TRS-80 operating systems included programs with similar functions.
Command | Description |
---|---|
TAPEDISK | copy tape files to a disk file |
DISKDUMP/BAS | examine disk file |
GETDISK/BAS | copy any tape file to disk |
GETTAPE/BAS | copy any disk file to tape |
System Checkout Utilities
These utilities were specific to Model I TRSDOS. They were of limited value.
Command | Description |
---|---|
TEST1 | memory tester |
TEST2/BAS | stress test for disk system |