File counting in a directory is a common task that many users might need to perform. It could be for administrative purposes, understanding disk usage, or organizing files in a systematic manner.

For file and folder management, that number dwindles. I've already listed what I believe are the 5 Linux commands every user should learn, all of which are also related to file and folder management.

Ranger is a great tool for providing a multi-level view of your Linux files and allowing you to both browse and make changes using arrow keys and some handy commands.

The Linux comm command makes it easy to compare a couple text files and determine if they both contain the same lines -- whether the file contents are sorted or not.

Jack Wallen shows you how to locate files on the Linux directory hierarchy using the find command.