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 $@
bash - What does <<< mean? - Unix & Linux Stack Exchange
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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
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 …
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.
Bash Script : what does #!/bin/bash mean? - Stack Overflow
Dec 14, 2012 · That is called a shebang, it tells the shell what program to interpret the script with, when executed. In your example, the script is to be interpreted and run by the bash shell. …
bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 11 years, 10 months ago Modified 3 years, 4 months ago Viewed 643k times
missing `]' error in unix shell script - Unix & Linux Stack Exchange
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shell - What does "--" (double dash / double hyphen) mean?
In man bash we can read in Shell Builtin Commands section (online doc): Unless otherwise noted, each builtin command documented in this section as accepting options preceded by - accepts …
shell - What is the "eval" command in bash? - Unix & Linux Stack …
What can you do with the eval command? Why is it useful? Is it some kind of a built-in function in bash? There is no man page for it..