···55 /dev/raw1394 was a character device file that allowed low-level66 access to FireWire buses. Its major drawbacks were its inability77 to implement sensible device security policies, and its low level88- of abstraction that required userspace clients do duplicate much88+ of abstraction that required userspace clients to duplicate much99 of the kernel's ieee1394 core functionality.1010 Replaced by /dev/fw*, i.e. the <linux/firewire-cdev.h> ABI of1111 firewire-core.