WebMay 20, 2024 · In other words, when using CTRL+c at the command line the exit code will always be 130, 137 when killed with kill -9, and 143 when kill -15 was used. You can test exit codes for commands by querying the $? variable, which holds the exit code of the previous command (as long as you have not commenced a new command).
shell - Ctrl-C with two simultaneous commands in bash
WebSep 18, 2015 · Above, bash, sh and sleep receive SIGINT when I press Ctrl-C, but sh exits normally with a 0 exit code, so bash ignores the SIGINT, which is why we see "here". ping, at least the one from iputils, behaves like that. When interrupted, it prints statistics and exits with a 0 or 1 exit status depending on whether or not its pings were replied. WebNov 26, 2024 · For instance, Ctrl+C sends SIGINT, Ctrl+S sends SIGSTOP, and Ctrl+Q sends SIGCONT. Each signal has a default action, but a process can override the default action and handle it differently, or ignore it. However, some signals can’t be ignored nor handled differently and the default action is always executed. notthreadsafe
【原创】Bash下Ctrl-C、Ctrl-D和Ctrl-Z的区别
WebOct 12, 2015 · If you ctrl-c me now my return code will be 1. SIGINT EXIT $ echo $? 1 (Edited to remove to make it more POSIX-conform.) (Edited again to make it a bash script instead, my question is not shell-specific though.) Edited to use the portable "INT" for trap in favor of the non-portable "SIGINT". WebMar 2, 2016 · To prevent CTRL + C to break connection it should be interactive. This is achieved with bash -i. So I may run: ssh -t svf 'cd ~/w/logs; bash -i tail -f some_file.log; exec $SHELL -l' but this cause that problem. To resolve it you may create workaround. On remote machine create script to run command ( Notice -i flag. It is important. WebSep 10, 2024 · bashとCtrlキーで送るシグナル sell Bash, Linux TL;DR シェル（例えば bash ）上で Ctrl-C などを実行すると、プロセスに対してシグナルが送られる プロセスは、受け取ったシグナルに対して応答するだけ 多くのものは、そのまま終了する シグナルは、ハンドリングすることができる SIGKILL 除く シェル（というか端末）上で、どんな … how to ship large box