`exit`

Terminate kdb+

exit x    exit[x]

where x is a positive integer, terminates the kdb+ process with x as the exit code.

q)exit 0        / typical successful exit status
..

q)exit 42

$ echo $?
42

No confirmation is requested from the console.

Exit is blocked during reval or with -u on the command line. (Since V4.1t 2021-07-12.)