Provided by: manpages_6.7-2_all 

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 6.7 2023-08-15 proc_pid_ns(5)