How does one parse ${!i} (and what does it mean)?
38607
Variable substitution with an exclamation mark in bash
83501
What is the JavaScript >>> operator used for?
70140
Is there a VB.net equivalent for C#'s ! operator?
42605
Is there a technical reason to use > (<) instead of != when incrementing by 1 in a 'for' loop?
34625
What is the difference between $* and $@?
50629
Confusing [...] List in Python: What is it?
155152
What does [&] mean before function?
120372
How to typeset $:=$ correctly?
119575
How are parentheses interpreted at the command line?
134273
Bash: Why does this Brace Expression work this way?
23092
What does "$$" mean in the shell?
45662
What is `$?` ? Is it a variable?
120900
${!FOO} and zsh
42368
Why does the exclamation mark `!` sometimes upset bash?
49518
What is the JavaScript >>> operator and how do you use it?
13826
In Bash scripting, what's the meaning of " $! "?
143719
How does !! work in bash?