One of the commands used in the bash script project is the disk usage command. Research command line options for the Disk Usage Commands or du command on Linux. One resource is https://www.man7.org/linux/man-pages/man1/du.1.html , but there are plenty of examples online. Post one usage of the command and explain it.

One usage of the du command in Linux is to estimate file and directory space usage. Here is an example:

du -sh /home/user

In this command:

• du is the disk usage command.
• -s is an option that tells du to provide the total disk space used by the specified directory and its subdirectories.
• -h is an option that tells du to provide the output in a "human-readable" format, i.e., it provides the size in bytes (B), kilobytes (K), megabytes (M), gigabytes (G), etc., depending on the size of the files/directories.
• /home/user is the directory whose size is to be estimated.

So, the command du -sh /home/user will provide the total disk space used by the directory /home/user and its subdirectories in a human-readable format.