Linux File Permissions & chmod

Understand who can read, change and run files on Linux and other Unix-like systems. This course explains owner, group and other permissions, how read, write and execute work for files and directories, reading ls -l output, changing permissions with chmod in symbolic and numeric form, ownership with chown, and secure habits.

Tutwoo is an independent learning provider. This course is general skills training based on official documentation. It is not an accredited qualification. Software behaviour can change between versions, so check the official documentation for the version you use.