What is $@ in shell script?

What is $* and $@ in Linux?

"$@" Stores all the arguments that were entered on the command line, individually quoted ("$1" "$2" ...). So basically, $# is a number of arguments given when your script was executed. $* is a string containing all arguments. For example, $1 is the first argument and so on.

What does exec $@ mean?

exec "$@" is typically used to make the entrypoint a pass through that then runs the docker command. It will replace the current running shell with the command that "$@" is pointing to. By default, that variable points to the command line arguments.

What $@ means?

$@ is nearly the same as $* , both meaning "all command line arguments". They are often used to simply pass all arguments to another program (thus forming a wrapper around that other program).

What is exec $@ in bash?

On Unix-like operating systems, exec is a builtin command of the Bash shell. It allows you to execute a command that completely replaces the current process. The current shell process is destroyed, and entirely replaced by the command you specify. Options and arguments. Description.