Special bash variables

here are a few other variables that the system sets for you to use as well.

$0 - The name of the Bash script.
$1 - $9 - The first 9 arguments to the Bash script. (As mentioned above.)
$# - How many arguments were passed to the Bash script.
$@ - All the arguments supplied to the Bash script.
$? - The exit status of the most recently run process.
$$ - The process ID of the current script.
$USER - The username of the user running the script.
$HOSTNAME - The hostname of the machine the script is running on.
$SECONDS - The number of seconds since the script was started.
$RANDOM - Returns a different random number each time is it referred to.
$LINENO - Returns the current line number in the Bash script.

Similar codes

0 vote371 views1 answer
Npm-gui
Shell/Bash
0 vote284 views1 answer
Rm: cannot remove 'wk_base_survey': Permission denied wsl
Shell/Bash
0 vote302 views1 answer
Youtube-dl Network Options
Shell/Bash
16 votes305 views3 answers
Docker force remove container
Shell/Bash
0 vote373 views1 answer
How to uninstall neovim on linux
Shell/Bash
20 votes315 views3 answers
Add group linux
Shell/Bash
12 votes298 views2 answers
How to completely remove node from ubuntu
Shell/Bash
2 votes319 views1 answer
Composer installation cmd
Shell/Bash
0 vote311 views1 answer
Batch set from file
Shell/Bash
0 vote303 views1 answer
! [rejected] SocialMediafullstack -> SocialMediafullstack (fetch first) error: failed to push some refs to 'https://github.com/APEX101/Arbisoft.git'
Shell/Bash