../ Kernel_Subroutine_Descriptions_Mar72.pdf 30-Apr-2008 20:24 8245163 PreliminaryUnixImplementationDocument_Jun72.pdf 22-Apr-2006 16:35 12311313 UNIX_ProgrammersManual_Nov71.pdf 22-Apr-2006 17:25 6790398 Unix_2nd_Edition_Manual_Jun72.pdf 01-May-2008 23:00 15125635 Unix_Users_Talk_Notes_Jan73.pdf 30-Apr-2008 22:45 381791