umask – POFTUT

Linux umask Command Tutorial with Examples, Numeric and Symbolic Representations

umask command is used to set default file and folder permission in  Linux operating system. File and folder permissions are important because the permission enables or deny different users, groups and others to access, read, write and execute of the given file. In this tutorial, we will learn how to use umask command to set default read, … Read more

Linux Etc Login.defs Configuration with Examples

Linux shadow password suite provides password related utils and configuration. /etc/login.defs or simple login.defs provides configuration about shadow utils. This file provides password, mail, user id, group id, user home related configuration. We will look all of the useful configurations in this tutorial. Login.defs Configuration File login.defs configuration file is located at /etc/login.defs . It is simple text file. … Read more