Shell: only double quote on test -n/-z?
32028
When is double-quoting necessary?
101357
bash -c variable resolution in subshell
12822
GNU find and masking the {} for some shells - which?
75335
Bash test: what does "=~" do?
147454
Why does bash set $? (exit status) to non-zero on Ctrl-C or Ctrl-Z?
79333
What does ' (single quote) do in the terminal?
92530
Use of quotes in GNU grep regular expressions
51442
Why does bash variable expansion retain quotes?
11046
Bash semicolon being equal to newline is not exactly true?
105546
bash alias command with both single and double quotes
70007
Escaping quotes in zsh alias
52584
Is test or [ or [[ more portable both between bash shells and between other shells?
31315
"EOL while scanning single-quoted string"? (backslash in string)
91568
How to correctly escape command arguments from an environment variable
102145
Single or Double quotes when defining an alias?
89881
shell scripts are still working without #!(sha-bang line)
18316
Security implications of forgetting to quote a variable in bash/POSIX shells