/proc/pid/ns/ - namespaces

/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).

/proc/pid/ns/ - namespaces

proc(5) Linux man-pages 6.9.1 2024-05-02 proc_pid_ns(5)