su allows commands to be run with a substitute user and group ID. When called with no user specified, su defaults to running an interactive shell as root . When user is specified, additional argument s can be supplied, in which case they are passed to the shell.

The su command is used to become another user during a login session. Invoked without a username, su defaults to becoming the superuser. The optional argument - may be used to provide an environment similar to what the user would expect had the user logged in directly.

su - run a shell with substitute user and group IDs Synopsis su [OPTION]... [-] [USER [ARG]...] Description

su. Substitute user identity 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 supplemental groups of a …

Dec 10, 2020 · The su (short for substitute or switch user) utility allows you to run commands with another user’s privileges, by default the root user. Using su is the simplest way to switch to the administrative account in the current login session.

su allows to run commands with substitute user and group ID. When called without arguments su defaults to running an interactive shell as root. For backward compatibility su defaults to not change the current directory and to only set the environment. variables HOME and SHELL (plus USER and LOGNAME if the target user is not root).

su - run a command with substitute user and group ID SYNOPSIS¶ su [options] [-] [user [argument...]] DESCRIPTION¶ su allows to run commands with a substitute user and group ID. When called without arguments, su defaults to running an interactive shell as root.

su-- substitute user identity SYNOPSIS su [-] [-flm] [login [args]] DESCRIPTION The su utility requests appropriate user credentials via PAM and switches to that user ID (the default user is the superuser). A shell is then executed. PAM is used to set the policy su(1) will use.

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The su command is used to become another user during a login session. Invoked without a username, su defaults to becoming the superuser. The optional argument - may be used to provide an environment similar to what the user would expect had the user logged in directly.