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- linux - What does $@ mean in a shell script? - Stack Overflow
What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@
- Difference between ${} and $() in a shell script - Super User
Difference between $ {} and $ () in a shell script Ask Question Asked 10 years, 9 months ago Modified 1 year, 2 months ago
- What is the purpose of in a shell command? - Stack Overflow
Furthermore, you also have which is the logical or, and also which is just a separator which doesn't care what happend to the command before
- 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
- bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 12 years, 4 months ago Modified 3 years, 10 months ago Viewed 658k times
- What is the meaning of $? in a shell script? - Unix Linux Stack Exchange
When going through one shell script, I saw the term "$?" What is the significance of this term?
- 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 are the special dollar sign shell variables? - Stack Overflow
$! is the PID of the most recent background command $0 is the name of the shell or shell script Most of the above can be found under Special Parameters in the Bash Reference Manual Here are all the environment variables set by the shell For a comprehensive index, please see the Reference Manual Variable Index
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