The Linux-Infrared-HOWTO (former known as IR-HOWTO) deals with Linux and infrared devices. These are usually IrDA(TM) capable devices, but also LIRC (Linux Infrared Remote Control) is covered. Attention: the new 2.6 Kernel series contains substantial changes to the IrDA subsystem, which are not covered in detail in the HOWTO.
Traditionally, Unix/Linux/POSIX filenames can be almost any sequence of bytes, and their meaning is unassigned. The only real rules are that "/" is always the directory separator, and that filenames can't contain byte 0 (because this is the terminator). Although this is flexible, this creates many unnecessary problems. In particular, this lack of limitations makes it unnecessarily difficult to write correct programs (enabling many security flaws), makes it impossible to consistently and accurately display filenames, causes portability problems, and confuses users. more ....
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