What is difference between `` and $() for command-substitution in bash scripting?
71747
What's the difference between $(stuff) and `stuff`?
57226
What is the syntax for IF/ELSE in bash?
45662
What is `$?` ? Is it a variable?
25392
Difference between sh and bash
138855
What is the difference between ~/.profile and ~/.bash_profile?
83409
Difference between $ and # in Linux environment
51432
What does the "$#" special parameter mean in Bash?
34893
Is there a difference between the '&&' and ';' symbols in a standard BASH terminal?
138524
$* in bash scripting
85355
Why does BASH process substitution not work with some commands?
23092
What does "$$" mean in the shell?
74090
$_ vs !$. Last argument of the preceding command and output redirection
75335
Bash test: what does "=~" do?
82566
Why should I use $[ EXPR ] instead of $(( EXPR ))?
3006
Parenthesis works in bash shell itself, but not in bash script
15609
What does this cryptic Bash command mean?
105006
What is wrong with “echo $(stuff)” or “echo `stuff`”?