20 avril 2020

• $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

Pour obtenir la liste complète des Variables $, cliquer ICI