This is a memorandum, so a page for me. : point_up :: relaxed:
This command displays file and directory information. By hitting this, the files and folders in the current directory will be listed.
You can see it in detail by using the -l option with ls -l. Like permissions. The owner or the number of bytes.
Use when you want to see the contents of the file. It has a different nuance from ls -l.