Now that you have spent some time exploring various aspects of the filesystem, try out the following exercises to reinforce your understanding:
Calculate the size of all files under the /etc directory.
Create a file called story.txt containing the following line of text:
The quick brown fox jumps over the lazy dog
Use the sed command to change the contents of the file to the following:
The quick brown dog jumps over the lazy fox
Use the find command to list files that are greater than 500KB in size created by users of the system.