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User Removal

Remove User (Interactive Method)

Check Processes

# See all processes for a user
ps -u username

# Or more detailed view
ps aux | grep username

Remove User Step by Step

# 1. Kill any processes the user is running
sudo pkill -u username

# 2. Remove the user and their home directory
sudo userdel -r username

# 3. Remove the group (if it's not shared)
sudo groupdel username

Remove User (Single Command)

userdel -r -f username && groupdel username 2>/dev/null || true

Flag explanations:

FlagDescription
-rRemove home directory
-fForce removal even if user is still logged in
2>/dev/nullSuppress error if group doesn't exist
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