How to count the number of files in a directory.  At some point you'll have a directory or directories that you need to know the number of files in them.  On Linux, the list command (ls) is piped with the wc -l command. ls | wc -lThis command works great if all the files are located in one directory.  What about if you have multiple directories.  Then you will need to use the find command piped with the wc command find <directory> -type f | wc -lThis command only...