The number of command-line arguments passed to the script

All command-line arguments passed to the script

The exit status of the most recently executed command

The process ID of the currently running script

To capture user input from the keyboard into a variable

To print the contents of a file to the terminal

It appends output to the end of the file instead of overwriting it

Feeds the standard output of the first command as standard input to the second

Runs both commands at the same time in parallel

Appends the second command's output to a log file

It merges standard error into the same stream as standard output

It compresses the output before storing it

It saves the output to a hidden temporary file

It evaluates to "default", without changing var itself

Read and write for the owner, read-only for group and others

Causes the script to exit immediately if any command returns a non-zero status

Enables verbose echoing of every command before it runs

Bash Quiz