.de pg .ps8 -- .ps16 .fp 3 G .sp 3.0i .ti .25i UNIX\s-4\fG\v'-6p'TM\v'6p'\fP\s0 TIME-SHARING SYSTEM: .sp |4.0i .ps 18 .ce UNIX PROGRAMMER'S MANUAL .ps12 .sp |4.5i .ft I .ce Seventh Edition, Volume \\$1 .sp |5.0i .ce January, 1979 .ps 10 .sp |9.5i-1 .ft R .ce Bell Telephone Laboratories, Incorporated .ce Murray Hill, New Jersey .. .pg 1 .bp .pg 2A .bp .pg 2B