`k: warning: k crashed, killed by SIGSEGV.` `k itself has not crashed, but for transparency,` `it will now kill itself (without dumping core) with the same signal`
$ rlwrap sh -c 'kill -11 $$'
rlwrap: warning: sh crashed, killed by SIGSEGV.
rlwrap itself has not crashed, but for transparency,
it will now kill itself (without dumping core) with the same signal
warnings can be silenced by the --no-warnings (-n) option
Segmentation fault