.(z L
.GS C
width 6.0
high 7.0
1 8
2 10
3 12
4 14
sc 0.3
narrow 1
medium 3
thick 7
pointscale off
file unix_ipc.gsrc
.GE
.ce
\fBFigure \n+(FG\fR:  IPC in 4.2 Unix
.)z