proc_pid_uid_map

(5)

user and group ID mappings

File formats and configurationmanpages 6.9.1-1also documents /proc/pid/gid_map, /proc/pid/uid_map

DESCRIPTION

/proc/pid/gid_map (since Linux 3.5): See user_namespaces(7).
/proc/pid/uid_map (since Linux 3.5): See user_namespaces(7).

See also