Why do Linux command line scripts use '-' and '--' as a parameter prefix?
28077
Single dashes `-` for single-character options, but double dashes `--` for words?
60010
Why does the order of '-l' option in gcc matter?
146273
Backslash and quote in command-line arguments
86391
Why are non-environment variables passed to the subshell invoqued by command substitution?
50136
Using "${a:-b}" for variable assignment in scripts
58290
Why can I not access a file named `-` when quoting?
87515
Why is '.' a hard link in Unix?
102137
What's the purpose of adding a prefix on both sides of a shell variable comparison to a string literal?
15609
What does this cryptic Bash command mean?
45490
meaning of -h in ls command
51432
What does the "$#" special parameter mean in Bash?
132792
Can shell variable name include a hyphen or dash (-)?
8811
The issue of * in Command line argument
99813
What is the correct name for the ">" command
107557
Shell usage of ":-" and advantage
69145
Why do you need ./ (dot-slash) before executable or script name to run it in bash?
20567
Why does shell ignore quoting characters in arguments passed to it through variables?