The -m. This option creates the user's home directory with the same name as the user and copies the skeleton directory (usually /etc/skel) into the home directory. It also sets the owner and group of the home directory to the user's UID and GID.
What is directory?
A directory is a type of hierarchical file system or database used to store and organize computer files and information. It is a way of categorizing and organizing files and data so that it is easily accessible. Directories can contain files and other directories, and can also be used to keep track of information such as usernames and passwords. The directory structure is often used to organize and store data in a way that is easy to manage and understand. It is also used to keep track of user access to files and folders, as well as to provide a secure environment for data storage. The directory structure can also be used to store information such as user profiles and settings, or to store files in a way that is easily searchable. Directories are often organized in a tree structure, with the root directory at the top of the tree and all other directories and files below it.
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