Introduction to the Linux 2.4 kernel. The latest copy of this document can be always downloaded from: http://www.moses.uklinux.net/patches/lki.sgml This guide is now part of the Linux Documentation Project and can also be downloaded in various formats from: http://www.linuxdoc.org/guides.html or can be read online (latest version) at: http://www.moses.uklinux.net/patches/lki.html This documentation is free software.. read more
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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