How to apply the ! (not) operator in simple terminal commands
106335
How do I list every file in a directory except those with specified extensions?
57326
Bash - how to make explicit operator precedence without creating a subshell
128045
Why does this script print an extraneous 'none' in the output
5933
How to negate a specific symbol?
12822
GNU find and masking the {} for some shells - which?
133988
"cat" command: how to automatically escape everything that might be a violation?
12875
Understanding the exclamation mark (!) in bash
72188
How do I minimise any window using terminal commands?
20348
What does the '!' really do when it's added to an ex command (:wq! | :w! | :q! )?
14934
Strange behavior of argv when passing string containing "!!!!"
51233
How do I prompt for Yes/No/Cancel input in a Linux shell script?
4772
Difference between "not equal" operators  and != in PHP
58488
Aborting a shell script if any command returns a non-zero value
124298
What is the right way to use the `\!` spacing command?
124765
How does bash interpret the equal operator with no surrounding spaces in a conditional?
1767
Remove a terminal command
89881
shell scripts are still working without #!(sha-bang line)