Internet Resources for Appendix D

The ASCII Code

The ASCII code was created in 1967 and updated officially in 1968, 1977, 1986.

http://en.wikipedia.org/wiki/ASCII
Within the online manual, you can usually find an ASCII man page that contains the entire code for quick reference (try "man ascii"):
  Linux: http://linux.die.net/man/7/ascii
  FreeBSD: http://www.freebsd.org/cgi/man.cgi?query=ascii&sektion=7
  Solaris: http://docs.sun.com/app/docs/doc/819-2252/ascii-5
On some systems (but not Linux), there is also a public reference file that contains the ASCII code for quick reference. It will usually be one of the following:
  /usr/share/misc/ascii (BSD systems, such as FreeBSD)
  /usr/pub/ascii (Unix-based systems, such as Solaris)

Extended ASCII Code:

http://en.wikipedia.org/wiki/Extended_ASCII

Unicode was created as a more modern, universal character set. The goal of Unicode is to allow people around the world to use computers in any language. The first version of Unicode was released in October 1991.

http://en.wikipedia.org/wiki/Unicode
http://www.unicode.org/standard/standard.html



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