namespace(name) - phpMan

Test2::Formatter (3pm) - Namespace for formatters.
CORE (3pm)           - Namespace for Perl's core routines
cgroup_namespaces (7) - overview of Linux cgroup namespaces
gitnamespaces (7)    - Git namespaces
Internals (3pm)      - Reserved special namespace for internals related funct...
ioctl_ns (2)         - ioctl() operations for Linux namespaces
ip-netns (8)         - process network namespace management
lsns (8)             - list namespaces
mount_namespaces (7) - overview of Linux mount namespaces
namespace.conf (5)   - the namespace configuration file
namespaces (7)       - overview of Linux namespaces
network_namespaces (7) - overview of Linux network namespaces
newgidmap (1)        - set the gid mapping of a user namespace
newuidmap (1)        - set the uid mapping of a user namespace
nsenter (1)          - run program with namespaces of other processes
pam_namespace (8)    - PAM module for configuring namespace for a session
pid_namespaces (7)   - overview of Linux PID namespaces
setns (2)            - reassociate thread with a namespace
systemd-nspawn (1)   - Spawn a namespace container for debugging, testing and...
unshare (1)          - run program with some namespaces unshared from parent
user_namespaces (7)  - overview of Linux user namespaces
XML::NamespaceSupport (3pm) - A simple generic namespace processor