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Edgar Danielyan is a self-employed consultant and author with professional interests in UNIX, security, and internetworking. Edgar has been a contributing editor to the Inside Solaris journal since 1999, cofounded a national ISP, founded and managed a national domain name administration, and has administered systems for government, banks, and other organizations. A Cisco Certified Network, Design, and Security Professional, Edgar is also a member of the Association for Computing Machinery, the USENIX Association, the IEEE Computer Society and the System Administrators Guild.