linux - What does $@ mean in a shell script? - Stack Overflow
Apr 3, 2012 · What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@
regex - Meaning of "=~" operator in shell script - Stack Overflow
Sep 17, 2012 · Meaning of "=~" operator in shell script [duplicate] Asked 13 years, 1 month ago Modified 12 years, 2 months ago Viewed 96k times
bash - What does <<< mean? - Unix & Linux Stack Exchange
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What is the $? (dollar question mark) variable in shell scripting?
I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters.
What does $# mean in shell? - Unix & Linux Stack Exchange
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.
Difference between ${} and $() in a shell script - Super User
Difference between $ {} and $ () in a shell script Ask Question Asked 10 years, 3 months ago Modified 8 months ago
bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 11 years, 10 months ago Modified 3 years, 4 months ago Viewed 644k times
shell - What does "&" at the end of a linux command mean
Nov 12, 2012 · I am a system administrator and I have been asked to run a linux script to clean the system. The command is this: perl script.pl > output.log & so this command is …
Meaning of $? (dollar question mark) in shell scripts
Aug 30, 2011 · What does echo $? mean in shell programming?This is the exit status of the last executed command. For example the command true always returns a status of 0 and false …
What is the difference between $@ and $* in shell scripts?
In shell scripts, what is the difference between $@ and $*? Which one is the preferred way to get the script arguments? Are there differences between the different shell interpreters about this?