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Names­paces are fea­tures avail­able in Linux to iso­late pro­cesses in dif­fer­ent sys­tem re­source as­pects. There are six types of names­paces avail­able up to ker­nel 4.0. And more will be added in the fu­ture. These are: mnt (mount points, file sys­tems) pid (pro­cesses) net (net­work stack) ipc (sys­tem V IPC) uts (host name) user (UIDs) Linux names­paces are not new. The first one was added to Linux in 2008 (Linux ker­nel 2.6), but they be­came more

Mount names­pace: A process views dif­fer­ent mount points other than the orig­i­nal sys­tem mount point. It cre­ates a sep­a­rate file sys­tem tree as­so­ci­ated with dif­fer­ent pro­cesses, which re­stricts them from mak­ing changes to the root file sys­tem.

PID names­pace: PID names­pace iso­lates a process ID from

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