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8Dear 4.2BSD licensee:
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11We have discovered that copyright notices were missing
12from the 4.2BSD release of the Fourth Berkeley Software Distribution.
13For the Regents of the University of California
14to reclaim the copyright on these materials,
15we must notify you of this accidental omission and require
16that copyright notices be added to the source copies of 4.2BSD.
17If you have provided copies of 4.2BSD to sublicensees,
18this notice must be forwarded to them as well with instructions
19to insert the copyright notice noted below.
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21Copyright notices must be placed in each file on the enclosed list.
22The following notice should be placed as a comment at the
23beginning of each
24file, with appropriate delimiters surrounding it according
25to the type of file:
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29Copyright (c) 1983 The Regents of the University of California.
30All rights reserved.  The Berkeley software License Agreement
31specifies the terms and conditions for redistribution.
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35This copyright notice should also be affixed to each tape of the
364.2BSD distribution kit and any copies of these tapes.
37In addition, for each separate program written in C,
38the following notice should be placed in the file containing the main routine:
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42char copyright[] =
43"@(#) Copyright (c) 1983 The Regents of the University of California.\en\e
44  All rights reserved.\en";
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48Note that the 4.3BSD release of the Fourth Berkeley Software Distribution
49already contains the appropriate notices. These copyright notices
50must be retained in all redistributions and derivative works. No other
51action is required with respect to 4.3BSD copyright notices.
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55Professor Domenico Ferrari
56Computer Systems Research Group
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