chmod

A comprehensive guide to the umask command, its functionality, and how to effectively set default file permissions. When creating a file, it is not always necessary to specify permissions right away, as default permissions are assigned. These default permissions can be controlled and modified using the umask command. To check the current umask value, simply type umask without any arguments. The command will display the current umask value, such as 0022....

A concise guide to understanding and utilizing the UNIX filesystem commands in an efficient manner. Introduction This guide provides a comprehensive overview of the UNIX filesystem commands, with a focus on macOS and GNU/Linux systems. Both of these systems are classified as UNIX, and they share many similarities in terms of their filesystem utilities. Although Windows has a different filesystem structure, users can still access and use similar utilities by installing the Windows Subsystem for Linux on Windows 10....