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-.TH NAMESPACES 7 2018-02-02 "Linux" "Linux Programmer's Manual"
+.TH NAMESPACES 7 2019-03-06 "Linux" "Linux Programmer's Manual"
.SH NAME
namespaces \- overview of Linux namespaces
.SH DESCRIPTION
.BR unshare (2)
in most cases requires the
.BR CAP_SYS_ADMIN
-capability.
+capability, since, in the new namespace,
+the creator will have the power to change global resources
+that are visible to other processes that are subsequently created in,
+or join the namespace.
User namespaces are the exception: since Linux 3.8,
no privilege is required to create a user namespace.
.\"
.TP
.IR max_uts_namespaces
The value in this file defines a per-user limit on the number of
-user namespaces that may be created in the user namespace.
+uts namespaces that may be created in the user namespace.
.PP
Note the following details about these files:
.IP * 3
cannot be used as a means to escape the limits in force
in the current user namespace.
.RE
-.PP
.\"
.\" ==================== Cgroup namespaces ====================
.\"
.BR mq_overview (7))
refers to this namespace.
.IP *
-It is an PID namespace, and a corresponding mount of a
+It is a PID namespace, and a corresponding mount of a
.BR proc (5)
filesystem refers to this namespace.
.SH EXAMPLE
.BR pid_namespaces (7),
.BR user_namespaces (7),
.BR lsns (8),
+.BR pam_namespace (8),
.BR switch_root (8)