The Complete Practical Docker Guide - Command Options

The video tutorial covers the use of man pages in Linux, highlighting their absence in Ubuntu Docker containers due to size constraints. It explains how to install them using specific commands. The tutorial also delves into the structure of Linux commands, focusing on arguments and options, both short and long. It provides detailed examples using the 'uname' and 'hostname' commands, demonstrating how to use and combine different options effectively.

Why are man pages not included by default in Ubuntu Docker containers?

• They are only available in paid versions.

• They are incompatible with Docker.

• They require a special license.

• They are considered unnecessary and increase image size.

What command can be used to install additional packages in a Linux shell?

• yum

• apt-get

• pacman

• brew

How can options be typed in Linux commands?

• Using underscores

• Using single or double dashes

• Using colons

• Using semicolons

What is the difference between short and long options in Linux commands?

• Short options are deprecated, long options are recommended.

• Short options are for beginners, long options are for experts.

• Short options are faster, long options are slower.

• Short options use a single dash and one character, long options use double dashes and words.

Which command is used to get information about the software version of a Linux computer?

• info

• software

• version

• uname

What happens if you try to combine long versions of options in a Linux command?

• The command will execute successfully.

• You will get an error.

• The command will run with default settings.

• The options will be ignored.

What does the 'hostname -I' command return?

• The hostname of the computer.

• The IP address of the computer.

• The MAC address of the computer.

• The domain name of the computer.