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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
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What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@
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Difference between $ {} and $ () in a shell script Asked 9 years, 11 months ago Modified 4 months ago Viewed 120k times
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- 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
- linux - What is the meaning of $? in a shell script? - Unix Linux . . .
When going through one shell script, I saw the term "$?" What is the significance of this term?
- shell - Difference between sh and Bash - Stack Overflow
Shell - "Shell" is a program, which facilitates the interaction between the user and the operating system (kernel) There are many shell implementations available, like sh, Bash, C shell, Z shell, etc
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