12 - Automation

Front

To start a BASH script, enter __________ as the first line of the script file in a text editor.

Back

#!/bin/bash

Front

The _____ command will invoke a shell within the user's current shell

Back

source

Front

Comments in a BASH script start with the __________ character and extend to the end of the line.

Back

#

Front

Which variable represents the first positional variable? Options: $0, $1, #0, #1

Back

$1

Front

In the BASH shell, an 'else, if' statement is spelled __________ and is not required if you don't want to perform additional conditional checks.

Back

elif

Front

When using conditional statements in BASH scripts, what is true about spacing around square brackets?

Back

There should be a space before and after each square bracket.

Front

Command substitution, the process of executing a subcommand within a larger command, can be performed using which method?

Back

$(cmd)

Front

The keyword that ends an "if" statement is _____.

Back

fi

Front

Which environment variable includes a listing of directories commonly used to store executables?

Back

$PATH

Front

To test if a file exists, use the following test: [ -r filename ], [ -f filename ], [ -d filename ], [ -e filename ]

Back

[ -f filename ]