Which command is used to search for a pattern in files?
Which special file enables interprocess communication using named pipes?
Which of the following is the syntax for an `if` statement checking if a variable `NUM` is numerically equal to 5?
Which symbol is used in shell scripting to reference a positional parameter, e.g., the first argument passed to a script?
Extended globbing in bash allows:
What is the exit status code of a successfully executed command in Linux shell?
Which statement correctly defines a variable in shell scripting?
What does the exit command do in a shell script?
Which operator enables process substitution in bash (e.g., diff <(cmd1) <(cmd2))?
Named pipes (FIFOs) are created using: