What do $? and $# stand for in Shell Script?
59672
What are the special dollar sign shell variables?
96938
What's the difference between using > and >> in shell?
120214
What's the difference between <<, <<< and < < in bash?
132792
Can shell variable name include a hyphen or dash (-)?
141593
What are the differences between executing shell scripts using "source file.sh", "./file.sh", "sh file.sh", ". ./file.sh"?
21577
What does $ mean/do in Haskell?
34304
Precedence of the shell logical operators &&, ||
105919
What are the PowerShell equivalents of Bash's && and || operators?
91116
Difference between $ and ()
11975
What does $@ mean in a shell script?
112100
What is the meaning of "$" sign in JavaScript
121256
What is ./ in BASH
74090
$_ vs !$. Last argument of the preceding command and output redirection
50136
Using "${a:-b}" for variable assignment in scripts
42134
Whats the difference between "${foo.bar}" and "#{foo.bar}"?
18438
Spaces in variable assignments in shell scripts
54313
What is $() in a command?