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Apr 3, 2012what does a dollar sign followed by an at-sign (@) mean in a shell script? I'm trying to learn shell scripting, and i need to understand someone else's code. Sep 17, 2012meaning of "=~" operator in shell script [duplicate] asked 13 years, 4 months ago modified 12 years, 5 months ago viewed 96k times

Feb 20, 2011when going through one shell script, i saw the term "$?". (acessible by calling man bash in your shell) ? Shell equality operators (=, ==, -eq) asked 12 years, 1 month ago modified 3 years, 7 months ago viewed 651k times

What does $# mean in shell? I have code such as if [ $# -eq 0 ] then i want to understand what $# means, but google search is very bad for searching these kinds of things. Jul 22, 2018in shell scripts, what is the difference between $@ and $*?

Are there differences between the different shell interpreters about this?