proc_pid_ns(5) File Formats Manual proc_pid_ns(5) NAME /proc/pid/ns/ - namespaces DESCRIPTION /proc/pid/ns/ (since Linux 3.0) This is a subdirectory containing one entry for each namespace that supports being manipulated by setns(2). For more information, see namespaces(7). SEE ALSO proc(5) Linux man-pages 6.19 2026-02-08 proc_pid_ns(5)