What does the command "$()" do in UNIX?
54313
What is $() in a command?
11423
Understand the meaning of `$_`
82566
Why should I use $[ EXPR ] instead of $(( EXPR ))?
55375
What is the $ symbol used for in JavaScript
61814
What is the "eval" command in bash?
72914
How to replace ${} placeholders in a text file?
2583
Quoting within $(command substitution) in Bash
21577
What does $ mean/do in Haskell?
72288
What do the parentheses and number after a Unix command or C function mean?
8641
Which are the (Bash) shell special parameters/variables?
106701
Bash: What does ">|" do?
5754
How to make bash substitution $(<"filename") silent
27238
What's the right way to quote $(command $arg)?
117107
What is the difference between '.' and 'source' in shells?
18722
Should I use $* or $@?
151472
Where is the bash feature to open a command in $EDITOR documented?
102224
Does variable=$(...) store the command or the result of the command in POSIX sh