Rik farrow (5 Ergebnisse)

Paperback. Zustand: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Zustand: acceptable. The book has obvious signs of wear which may include some damage to the cover, deeper corner dings, markings, or creases, but its integrity is intact. The binding may also be slightly damaged but its integrity is intact. There may also be possible writing in the margins and underlining and highlighting of text, but there are no missing pages or anything that would compromise the legibility or understanding of the text. The imagery is a stock photo of the item.…

Zustand: Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains.

Paperback. Zustand: Collectible-Very Good. Computer break-ins are big news. Newspaper stories continually tell of system crackers and their sagas. A recent article tells how a disgruntled programmer left behind a virus that destroyed a month's payroll for over 16,000 people. Another magazine describes how a person form Germany broke into a UNIX (R) system in California and invaded over 30 other systems using networks. Security for UNIX has become a crucial issue as this multi-user environment has expanded into business and government, where secure systems are a must. The complete guide to maintaining data integrity and preventing security break-ins, UNIX System Security shows UNIX users how to protect their files and directories from viruses, worms, and system crackers. It even shows sophisticated methods for detecting and catching intruders. This enlightening book addresses the concerns of every user and administrator, illustrating essential points with actual cases of break-ins. Topics covered include: Security for networks Data encryption Security auditing Administrating passwords Future enhancements to UNIX security Security and the superuser UNIX System Security is a critical book for anyone with a vested interest in protecting data. 0201570300B04062001.…

Zustand: very good. envoi soigné. Livraison en 48h.