.ls 2 .nh .bl 10 .bl 10 .ce 2 \fBINTERPROCESS COMMUNICATION EXTENSIONS TO THE UNIX OPERATING SYSTEM .bl 4 .ce 16 July 1978 .bp .bl 7 .ce CONTENTS .nf .bl 5 .ce 3 Interprocess Communication Extensions for the UNIX Operating System: II Implementation .bl 3 .ce A Standard For UNIX Interprocess Communication .bl 3 .ce IPC Specifications\fR .bp