00567nam a2200217Ia 4500 3604 20260707170211.0 2006116s9999 xx 000 0 und d 1-85805-302-1m 005.43RIT 3604 3604 Ritchie, C. 6256 Operating systems Incorporating UNIX & Windows Ritchie, C. 3 London Letts Educational 1997 xiv, 277p. Includes bibliography and index Operating systems CD-ROM BOOK 3604 3604