There is no man page for it. When going through one shell script, i saw the term $? In man bash we can read in shell builtin commands section (online doc)
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The exit, logout, break, continue, let, and shift builtins accept and process.
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Upvoting indicates when questions and answers are useful What's reputation and how do i get it Instead, you can save this post to reference later. A bashism is a shell feature which is only supported in bash and certain other more advanced shells
It will not work under busybox sh or dash (which is /bin/sh on a lot of distros), or certain other shells like the /bin/sh provided on freebsd. In shell, when you see $ command one && command two the intent is to execute the command that follows the && only if the first command is successful This is idiomatic of posix shells, and not only found in bash It intends to prevent the running of the second process if the first fails.
Check existence of input argument in a bash shell script asked 14 years, 3 months ago modified 1 year, 4 months ago viewed 2.1m times
Is there a way to go back to previous directory we were in using bash,tcsh without using pushd/popd I'd like to type something like back and got returned to the previous directory i was in
