Checks if a Unix mount is a system mount.
This is the Boolean OR of is_system_fs_type,
is_system_device_path and
is_mount_path_system_internal on mount_entry’s
properties.
The definition of what a ‘system’ mount entry is may change over time as new file system types and device paths are ignored.
| mount_entry |
a |
|
true if the unix mount is for a system path. |