An useful skill for Unix users and system administrators, shell scripts let you easily crunch data and automate repetitive tasks, offering a way to quickly harness the full power of any Unix system. his book provides the tips, tricks, and organized knowledge needed to create excellent scripts, as well as warnings of traps.

A story about a few American airmen who served in Europe during WWII. The stories are narrated by a few of the airmen and recount missions over enemy territory, encounters with enemy fighters, crash landings, and bail outs from burning planes.

After nearly eighteen months of the largely unsuccessful bombing campaign called Operation Rolling Thunder, the US Air Force began to look for ways to overcome technological, geographical, and political challenges in North Vietnam and use limited air power more effectively. In 1972 the two Linebacker campaigns joined with other air operations to make a dramatic, although temporary, difference. While they unleashed powerful B-52 area bombers, the campaigns also demonstrated the efficacy of newly developed laser-guided precision bombs. Drawing upon twenty years of research in classified records, Wayne Thompson integrates operational, political, and personal detail to present a full history of the Air Force role in the war against North Vietnam. He provides an unprecedented view of the motivations and actions of the people involved—from aircrews to generals to politicians—in every phase of the air campaigns. He outlines, for instance, the political reasons for President Johnson's reluctance to use B-52 bombers against major North Vietnamese targets. He also examines how the media influenced US policy and how US prisoners became the war's most celebrated heroes. The war in Southeast Asia ultimately pushed the Air Force toward adopting more flexible tactics and incorporating increasingly sophisticated weapons that would shape later conflicts.