in reply to
IMHO, the references on TCP/IP and Unix network programming are TCP/IP Illustrated, Volume 1 and Unix Network Programming, Volume 1, 3rd Edition, both the late W. Richard Stevens.
Those are excellent picks, but I wouldn't hesitate to recommend reading Network Programming with Perl in order to make those even more accessible.
(I remember how I felt after the first 30 or so pages of TCP/IPI-v1....)
I Go Back to Sleep, Now.
A Programming Language, 1962
Programming the 1900 series in COBOL, 1974
Algorithms + Data Structures = Programs, 1976
The C Programming Language, 1978
System V - Interface definition, 1986
Z80 Assembly Language Programming, 1979
TheSOURCE User's Manual, 1979
The C Primer, 1983
Interactive Fortran 77, A Hands on Approach, 1984
Perl.1 man page, 1991
Results (335 votes),