Radio Shack TRS-80 Model II Reference Manual page 114

Modell! TRSDOS
Introduction to
Utility Programs
NAME PURPOSE
BACKUP DupIicatea Diskette
FORMAT Organize a Diskette
MEMTEST
Checks out random access memory.
PATCH
Change contents of a disk file
TERMINAL Communications program
XFERSYS Transfer operating system
Several other" incidental" utilities are included: BASCOM, COMSU Band DOCOM
(all for serial communications); EXDATM and DATM (for date calculations); HERZ50
(farnan-USA users); PRTBKSP; LPII.
The following utilities use memory from X'2800' to TOP, and exit to TRSDOS READY
upon completion:
BACKUP
FORMAT
MEMTEST
XFERSYS
To' 'chain" utilities and user programs, include them as commands in a Do-file.
The last command in the file may be one to load and execute your program.
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