Managing users and groups in Linux

Managing users and groups in Linux involves creating, modifying, and deleting user accounts and groups, as well as managing their permissions and access to system resources. Here are some code examples for common user and group management tasks in Linux:

• Creating a new user account

To create a new user account in Linux, use the adduser command followed by the username. Here's an example:

This command will prompt you to enter a password and other user information, such as full name and contact details.

• Modifying user account properties

To modify the properties of an existing user account, use the usermod command followed by the desired options. Here are some examples:

• Change the user's home directory:

• Deleting a user account

To delete a user account in Linux, use the userdel command followed by the username. Here's an example:

This command will remove the user's home directory and any files it contains.

• Creating a new group

To create a new group in Linux, use the addgroup command followed by the group name. Here's an example:

• Modifying group properties

To modify the properties of an existing group, use the groupmod command followed by the desired options. Here are some examples:

• Rename the group:

• Deleting a group

To delete a group in Linux, use the delgroup command followed by the group name. Here's an example:

These are some examples of basic user and group management tasks in Linux. There are many more advanced options available, such as managing user and group permissions for specific files and directories, but these commands should be enough to get you started.