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path_id (8)
>> path_id (8) ( Linux man: Команды системного администрирования )
NAME
path_id - udev callout to create a device path based unique name
for a device to implement the Linux Persistent Device Naming scheme
SYNOPSIS
path_id <devpath>
DESCRIPTION
path_id
is normally called from a udev rule, to create a unique name, based on
the device properties along the chain of parent devices. Udev uses this
information to create a persistent symlink to the real device node.