XK0-005 Question #549: Real Exam Question with Answer & Explanation

The correct answer is A: source ~/.bashrc. The command source ~/.bashrc should be executed first to use the alias command. The source command reads and executes commands from a file in the current shell environment. The ~/.bashrc file is a configuration file that contains commands and aliases that are executed when a new

System Management

Question

A systems administrator made some changes in the ~/.bashrc file and added an alias command. When the administrator tried to use the alias command, it did not work. Which of the following should be executed FIRST?

Options

Asource ~/.bashrc
Bread ~/.bashrc
Ctouch ~/.bashrc
Decho ~/.bashrc

Explanation

The command source ~/.bashrc should be executed first to use the alias command. The source command reads and executes commands from a file in the current shell environment. The ~/.bashrc file is a configuration file that contains commands and aliases that are executed when a new bash shell is started. The administrator made some changes in the ~/.bashrc file and added an alias command, but the changes are not effective until the file is sourced or a new shell is started. The command source ~/.bashrc will reload the file and make the alias command

Topics

#Bash Shell#Shell Configuration#Aliases#Command Line

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