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Minix
editThe Minix OS version 3 has a status key. This can be demonstrated empirically. Reliable, secondary sources need to be found to support it. Jamplevia (talk) 18:06, 19 November 2021 (UTC)
GNU Hurd
editThe GNU Hurd OS has some semblance of a status key.
- GNU Hurd has VSTATUS and SIGINFO but not NOKERNINFO, and the status line is just some stub in libc that prints "got a SIGINFO" at this point.[citation needed] In 1993 the stty command was modified to support a status key[1] and the in ???? the "dd" command was modified to support the SIGINFO signal.[2] -- Jamplevia (talk) 18:09, 19 November 2021 (UTC)
JHU/UNIX at BRL
editThe JHU/Unix kernel sometimes swaps out all swappable processes and then hangs up- it cannot swap anyone back in. This bug appears primarily when running new REX interrupt processes or changing the current interrupt process. One can verify this bug by typing "(control) t" when the keyboard stops responding. All non-locked processes (data, scribe, and int are normally locked) will be swapped out (identified by a '-' by the process id).
BBN UNIX
editJust goog this simple query: site:mil "1981" "unix" contract
UNIX NSW FRONT END ENHANCEMENTS - Bolt Beranek and Newman, Inc. June 1981.
A CNTL-T capability was added to the Front End which provides a means for the user to obtain a short print out of the Front End status without interrupting any transaction processing 16 that may be in progress by the Front End.