![Craig Zacker](https://www.xwhos.com/photo/whois_craig_zacker_profile_758960.webp)
Craig Zacker
Craig Zacker, is the author or co-author of dozens of books, manuals, articles, and web sites on computer and networking topics.
Craig Zacker, is the author or co-author of dozens of books, manuals, articles, and web sites on computer and networking topics.