Unix Programmer's Manual
There is no warranty of merchantability nor any warranty of fitness for a particu!ar purpose nor any other warranty, either expressed or imp!ied, a’s to the accuracy of the enclosed m~=:crials or a~ Io ~helr ,~.ui~::~::.j!it’/ for ~ny p~rficu~ar pur~.~o~e. ~".-~--, ....-.re: " n~ I T~ ~hone Laaorator es 8ssumg$ no rO, p::::nS,-,,.:~:y ~or their use by the recipient. Furln=,, [: ’ La:::.c:,:e?o:,os ~:’urnes no ob~ja~tjon ~o furnish 6ny a~o,~,,..n~e at ~ny k:nd v,,hetsoever, or to furnish any additional jnformstjcn or documenta’tjon. UNIX PROGRAMMER’S MANUAL F~ifth ~ K. Thompson D. M. Ritchie June, 1974 Copyright:.©d972, 1973, 1974 Bell Telephone:Laboratories, Incorporated Copyright © 1972, 1973, 1974 Bell Telephone Laboratories, Incorporated This manual was set by a Graphic Systems photo- typesetter driven by the troff formatting program operating under the UNIX system. The text of the manual was prepared using the ed text editor. PREFACE to the Fifth Edition . The number of UNIX installations is now above 50, and many more are expected. None of these has exactly the same complement of hardware or software. Therefore, at any particular installa- tion, it is quite possible that this manual will give inappropriate information. The authors are grateful to L. L. Cherry, L. A. Dimino, R. C. Haight, S. C. Johnson, B. W. Ker- nighan, M. E. Lesk, and E. N. Pinson for their contributions to the system software, and to L. E. McMahon for software and for his contributions to this manual.
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