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The shell is Unix's command-line interface. You can type commands in a shell interactively, or write scripts to automate tasks. Use this tag for questions applying to /bin/sh and most compatible shells (ash, bash, ksh, zsh, …). For shell scripts with errors, please check them in http://shellcheck.net before posting here.

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This works in cygwin and Linux. Some of the previous solutions which write a file will cause the disk to thrash. This scipt does not have that problem: SIG=1 SIG0=$SIG while [ $SIG != 0 ] ; do whi …
answered Nov 17 '16 by user1186515