Inside a folder you can list all the files that the folder contains using the ls command:

ls

If you add a folder name or path, it will print that folder contents:

ls /bin

ls accepts a lot of options. One of my favorite options combinations is -al. Try it:

ls -al /bin

compared to the plain ls, this returns much more information.

You have, from left to right:

  • the file permissions (and if your system supports ACLs, you get an ACL flag as well)
  • the number of links to that file
  • the owner of the file
  • the group of the file
  • the file size in bytes
  • the file modified datetime
  • the file name

This set of data is generated by the l option. The a option instead also shows the hidden files.

Hidden files are files that start with a dot (.).

This command works on Linux, macOS, WSL, and anywhere you have a UNIX environment

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