Even though the Soviet Union itself was dissolved 15 months later, the .su top-level domain remains in use to the present day. It is administered by the Russian Institute for Public Networks (RIPN, or …

4 days ago · The su Linux command switches users and elevates privileges in a session. This guide shows how it works and when to use it.

su is mostly designed for unprivileged users, the recommended solution for privileged users (e.g., scripts executed by root) is to use non-set-user-ID command runuser(1) that does not require authentication …

Stockholm University stands as an attractive destination for those considering PhD studies. With a strong commitment to research excellence and a growing network of international collaborations, the …

Run a command with substitute user and group id, allow one user to temporarily become another user. It runs a command (often an interactive shell) with the real and effective user id, group id, and …

Nov 14, 2025 · The su command allows a user to switch to another user account on a Linux system. When you run su, you can either switch to the root user (the superuser with full administrative …

Jul 23, 2025 · As a new Linux user, you may always face confusion regarding the difference between `su` command and `su -` command. In Linux, the `su` command is used to switch to another user …

Dec 17, 2024 · The su command, short for “substitute user,” is a utility in Unix and Linux-based operating systems that allows a user to switch to another user’s shell.

Apr 26, 2025 · In this article, we’ve looked at some examples of the su command in action, discussed best practices for using it, explored some alternatives, and covered some important security …

Mar 18, 2024 · In this article, we covered the main differences between su and su – commands in Linux. We saw the differences in paths, directly usable commands, history files, and graphical differences.