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| -rw-r--r-- | man7/pid_namespaces.7 | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/man7/pid_namespaces.7 b/man7/pid_namespaces.7 index 28de041ace..ad3de95915 100644 --- a/man7/pid_namespaces.7 +++ b/man7/pid_namespaces.7 @@ -31,7 +31,9 @@ For an overview of namespaces, see PID namespaces isolate the process ID number space, meaning that processes in different PID namespaces can have the same PID. -PID namespaces allow containers to migrate to a new host +PID namespaces allow containers to provide functionality +such as suspending/resuming the set of processes in the container and +migrating the container to a new host while the processes inside the container maintain the same PIDs. PIDs in a new PID namespace start at 1, |