How Do I Find My Linux Id?
Contents

You can find UID stored in the /etc/passwd file. This is the same file that can be used to list all the users in a Linux system. Use a Linux command to view text file and you’ll see various information about the users present on your system. The third field here represents the user ID or UID.

How do I find my user ID Linux?

There are a couple of ways:

  1. Using the id command you can get the real and effective user and group IDs. id -u <username> If no username is supplied to id , it will default to the current user.
  2. Using the enviroment variable. echo $UID.

What is User ID in Linux?

Unix-like operating systems identify a user by a value called a user identifier, often abbreviated to user ID or UID. The UID, along with the group identifier (GID) and other access control criteria, is used to determine which system resources a user can access. The password file maps textual user names to UIDs.

Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.

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