2600 - The Hacker Quarterly Magazine Volume 21 (No.1-4) PDF | 4 x 69 pages | 88,4 Mb
2600: The Hacker Quarterly is a quarterly American publication that specializes in publishing technical information on a variety of subjects including telephone switching systems, Internet protocols and services, as well as general news concerning the computer "underground" and libertarian issues. The magazine is published and edited by its founder Emmanuel Goldstein.