Can one redefine `$$` by `\[ ... \]`?
97025
Can I get $$...$$ to behave like \[...\]?
57326
Bash - how to make explicit operator precedence without creating a subshell
7401
How can I shorten List>>?
45662
What is `$?` ? Is it a variable?
19369
How can I use $variable in a shell brace expansion of a sequence?
34535
How Can I Expand A Tilde ~ As Part Of A Variable?
83608
Is it possible to dereference variable id's?
90258
Javascript string replace weirdness -- $$$$ gets collapsed to $$ -- what's the reason behind this result?
115207
Replace symbols with values without evaluation
54313
What is $() in a command?
72914
How to replace ${} placeholders in a text file?
16993
Can I simplify an expression into form which uses my own definitions?
30195
What's the difference between [ and [[ in Bash?
24110
Constructing symbol definitions for With
154407
What does a "< <(...)" redirection mean?
36421
Brace expansion with variable?
20731
Can command substitution be nested in variable substitution?