What Is the Command to Restrict Users in Linux?

One way is by employing a tool called Restricted Bash (rbash). With rbash you can prevent a user from: Using the cd command. Modifying the values of $PATH, $SHELL, $BASH_ENV, or $ENV.

How do I restrict users in Linux?

However if you only want to allow the user to run several commands, here is a better solution:

1. Change the user shell to restricted bash chsh -s /bin/rbash <username>
2. Create a bin directory under the user home directory sudo mkdir /home/<username>/bin sudo chmod 755 /home/<username>/bin.

How do I restrict access to a file in Linux?

Right click, Properties and open tab “permissions” You will see options for Owner, Group and Others. By default Others has “access files” set. Change Folder Access to None and File access to None.