00445nam a2200133 a 450000500170000000800410001704100080005808200110006610000190007724500590009626400420015530000300019765000840022720260717091448.0260717s1986    ii            000 0 eng d  aeng04a005.431 aPrata, Stephen10aAdvanced UNIX : a programmer's guide /cPrata, Stephen 1aNew Delhi :bBPB Publications,c1986.  ax, 484 p. : ill. ; 25 cm. 4aUNIX (Computer file)
Computadoras -- Sistemas operativos.
Computer programming.