Category: Ubuntu Linux

The chmod command in Ubuntu Linux is used to define or change permissions on files, limiting access to certain users. Its syntax involves specifying options, mode, and the file to be modified. Different modes can be set for users, group members, and others, with read, write, and execute permissions represented numerically. The command offers options…

The gpasswd command in Linux is used to manage /etc/group and /etc/gshadow files, altering users and groups via the command line. This involves administering encrypted groups and group information through the /etc/group and /.etc/gshadow files. Syntax and options for the gpasswd command are provided, along with examples of the command’s application in Ubuntu Linux. New…

The rmdir command is utilized on Linux systems, specifically on the Ubuntu Linux OS, to remove empty directories. If a directory contains files or other directories, the rmdir command fails. Adjustments can be made by adding command line options, also called switches or flags, to modify the command’s execution or behavior. Options include removing a…

The post instructs new Linux users, particularly those using the Ubuntu Linux OS, on the passwd command usage. The passwd command alters user account passwords via the command line. The post explains the syntax, gives various options that influence command behavior, and provides examples for changing passwords, locking accounts, checking account statuses, and forcing password…

The post walks through the “mkdir” command on Ubuntu used for creating new directories on the file system. It breaks down the command’s syntax, options, and examples. Options discussed include setting file modes, creating parent directories as needed, displaying verbose output, setting SELinux security context, and displaying help or version information.