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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 $@
- regex - Meaning of =~ operator in shell script - Stack Overflow
Meaning of "=~" operator in shell script [duplicate] Asked 13 years, 2 months ago Modified 12 years, 4 months ago Viewed 96k times
- shell - What does -- (double dash double hyphen) mean? - Unix . . .
More precisely, a double dash (--) is used in most Bash built-in commands and many other commands to signify the end of command options, after which only positional ("non-option") arguments are accepted Example use: Let's say you want to grep a file for the string -v Normally -v will be considered the option to reverse the matching meaning (only show lines that do not match), but with -- you
- 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 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
- 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 is the purpose of in a shell command? - Stack Overflow
The shell will try to create directory test and then, only if it was successful will try create file inside it So you may interrupt a sequence of steps if one of them failed
- shell - What does at the end of a linux command mean . . . - Stack . . .
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 gt; output log amp; so this command is ending with a amp; sign,
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