TOPS-20 Commands Reference Manual
Releases a device from your job and places the device back in the pool of available devices.
@DEASSIGN (DEVICE) dev:
|dev:||is the name of the device you want to deassign; an asterisk (*) deassigns all devices (except your log-in terminal) assigned to your job. The colon after the device name is optional.|
The DEASSIGN command will not deassign a device that is accessing an open file. An error is generated, and the device is not deassigned until that file is closed or until you log out. When you log out, all devices are deassigned.
|ASSIGN||for assigning a particular device to your job|
|INFORMATION AVAILABLE DEVICES||for finding out which devices are available, and which ones have already been assigned to your job|
|MOUNT||for mounting a structure or magnetic tape and assigning the first available disk drive or tape drive to your job|
- Deassign a device (in this case a card reader).
- Find out which devices are assigned to your job, then deassign all of
these. Verify that this was done. (Note that your terminal, in this case
TTY222:, is never deassigned.)
@INFORMATION AVAILABLE DEVICES Devices available to this job: DSK, PS, SNARK, PACK, FTN20, MTA2, MT0, LPT, LPT0, LPT1 CDR, PCDR0, CDP, FE1-15, PTY15-61, NUL, PLT, PLT0, DCN SRV Devices assigned to/opened by this job: MTA2, MT0, PCDR0 TTY222, PTY15 @DEASSIGN * @INFORMATION AVAILABLE DEVICES Devices available to this job: DSK, PS, SNARK, PACK, FNT20, MTA2, LPT, LPT0, LPT1 CDR, PCDR0, CDP, FE1-15, PTY15-61, NUL, PLT, PLT0 DCN, SRV Devices assigned to/opened by this job: TTY222