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.sp 4.25i
.ft B
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UNIX PROGRAMMER'S MANUAL
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.sp |5i
.ft I
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Seventh Edition, Volume 1
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Berkeley PDP\-11 Version
.sp |5.75i
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April, 1983
.sp |9.2i
.ft R
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Computer Science Division
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Department of Electrical Engineering and Computer Science
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University of California
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Berkeley, California  94720
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