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Killing a crashed CATAG

IMPORTANT: You no longer have to exit/restart CATAG at the start of an experiment. Use the procedures in this page only if CATAG has crashed, or if starting CATAG results in the error:

Checking for other CATAG processes...
ERROR: CATAG heartbeat detected.
Another CATAG process must still be about.
Abort

If you know CATAG has crashed in a window, then you can stop it with a simple ctrl-C, and then restart it. This is the safest way to exit/restart CATAG.

To find and terminate the process id associated with CATAG:

$ show system

...
20200B4A CATAG HIB 4 64895 0 00:10:28.02 80127 423 S
...

There may be several CATAG or CATAG_**** process names. It could be any one, but chances are the working CATAG process will have state HIB (ie. hibernation). Don't you love VMS?

$ stop proc/id=20200B4A

Then restart CATAG

$ run at$run:catag

Original: Dave Rayner (2001)
Modified: Bob Sault (6-Sep-2003)