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Special permission bits: setuid, setgid, sticky

cheat sheet · Linux · GNU coreutils 9.4 https://lab.dimsanych.ru/en/wiki/special-bits/

Cheat sheet

ls -ld /tmp /usr/bin/passwd t on /tmp, s on passwd
sudo chmod g+s /srv/team setgid: new files get its group
sudo chmod +t /srv/team sticky: no deleting others' files
sudo chmod 3770 /srv/team both bits plus rwx for the group
stat -c '%a %A %n' /srv/team 3770 drwxrws--T /srv/team
sudo chmod g-s,-t /srv/team clear both bits
find / -perm -4000 -type f 2>/dev/null every setuid program