Linux Commands #24 - groups — Quickly Check Your Linux Group Memberships
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groups is the minimalist sibling of id. Just the group NAMES, space-separated, no UID/GID noise. Easy to scan, easy to grep, perfect for scripts that need to verify membership. The cleaner answer when you only care about groups.
In this lesson:
🎯 groups — your group list
🎯 groups USERNAME — check anyone
🎯 id vs groups: when to use which
🎯 Common mistake: groups doesn't ADD groups (just lists!)
🎯 Pairing with grep: scriptable membership checks
Watch the full series at dargslan.com — Linux Commands, The First 50.
⏱ TIMESTAMPS
0:00 "Am I in the docker group?"
1:00 What groups does
1:15 First try: groups
2:00 Compare users: groups sara && groups tom
2:30 id vs groups decision matrix
3:30 Real example: scriptable yes/no check
4:45 Common mistake: thinking groups can ADD groups
📚 Linux Commands — The First 50 · Lesson 24 · dargslan.com
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