AWK

Etymology:  
AWK =  Aho, Weinberger, Kernigham (see *)

Pages:
http://uts.cc.utexas.edu/~churchh/awk-perl.html
http://www.cs.stir.ac.uk/~jsd/awk.html
http://nmt.edu/tcc/help/lang/awk.html

                                                GAWK
Etymology:
GAWK = GNU AWK 

Pages:
http://csugrad.cs.vt.edu/manuals/gawk/gawk_toc.html
http://www.cl.cam.ac.uk/texinfodoc/gawk_toc.html
http://www.cs.utah.edu/csinfo/texinfo/gawk/gawk_toc.html
http://kite.dcs.king.ac.uk:88/info/gawk

                                                1. MacGawk 

MAC NAME: MacGawk

VERSION: 2.11                                  

README:
"This is GNU awk, gawk, for the Macintosh. For those who don’t know, GNU stands for GNU’s Not UNIX, an as-yet unfinished operating system, and is the primary goal of the Free Software Foundation." 

AUTHOR:
mac port:
Tom Maszerowski
    
COPYRIGHT: -

INTERNET SITES:
ftp://ftp.funet.fi/pub/mac/programming/
ftp://ezinfo.ethz.ch/mac/programming/
ftp://ftp.uwtc.washington.edu/pub/Mac/Programming/
ftp://ftp.eos.hokudai.ac.jp/pub/mac/util/Gawk/

                                                2. Gawk (MPW)

MAC NAME: Gawk (for MPW)

VERSION: 2.11.1r3                                   

README:
"To compile the source, you need MPW 3.0 or later and MPW C 3.0 or later. If you want to make changes to "awk.y", you also need bison or something equivalent." 

AUTHOR: 
mac port:
Matthias Neeracher
    
COPYRIGHT:-

INTERNET SITES:
ftp://ftp.fu-berlin.de/mac/lang/MPW/
ftp://pascal.zedat.fu-berlin.de/mac/lang/MPW/
ftp://ftp.cs.tu-berlin.de/pub/mac/lang/MPW/
ftp://nic.switch.ch/software/mac/src/mpw_c/
ftp://nic.switch.ch/software/mac/src/LAST.UPDATED/9210/
ftp://ftp.switch.ch/software/mac/src/mpw_c/
ftp://ftp.switch.ch/software/mac/src/LAST.UPDATED/9210/

                                                3. jgawk

Etymology:
JGAWK = Japanized GAWK

MAC NAME: jgawk

VERSION: 1.2.2                                

README:-

AUTHOR:
mac port
YAMASHITA Iwao
    
COPYRIGHT:
              Japanized Gnu Awk (jgawk) 2.15.2 + 1.0
     Copyright (C) 1989, 1991, 1992, Free Software Foundation.

                              jgawk for Macintosh 
                Copyright (C) 1993, 1994 YAMASHITA Iwao

INTERNET SITES:
ftp://ftp.eos.hokudai.ac.jp/pub/mac/util/jgawk/
Info-Mac

*
Alfred V. Aho, Brian W Kernighan, Peter J Weinberger:
The Awk Programming Language. Addison-Wesley Publishing Co. 1988  (ISBN 0-201-07981-X)