The _ keyword pauses the script to get input from standard input.

If file.sql holds SQL statements to be executed, what will be in file.txt? mysql < file.sql > file.txt

How does the SUID or setuid affect executable commands?

In order to extract text from the first column of file called textfile, which command would you use?

What is the keyboard shortcut to call up the Bash history search as shown below? (reverse-i-search)`':

Which arithmetic expression will give the most precise answer?

To run a group of commands without spawning a subshell, which syntax would you use?

When comparing items with case, what statement indicates an end to the evaluation block?

Wich operator sends the output of ls to a file for later use?

How can you create a shared terminal in a Bash shell?

To make a Bash script named script.sh executable, what should you run?