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1.2     ! jmc         1: .\"     $OpenBSD: rcsintro.7,v 1.1 2005/10/24 15:53:29 xsa Exp $
1.1       xsa         2: .\"
                      3: .\" Copyright (c) 2005 Xavier Santolaria <xsa@openbsd.org>
                      4: .\" All rights reserved.
                      5: .\"
                      6: .\" Permission to use, copy, modify, and distribute this software for any
                      7: .\" purpose with or without fee is hereby granted, provided that the above
                      8: .\" copyright notice and this permission notice appear in all copies.
                      9: .\"
                     10: .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11: .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12: .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13: .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14: .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15: .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16: .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17: .Dd October 19, 2005
                     18: .Dt RCSINTRO 7
                     19: .Os
                     20: .Sh NAME
                     21: .Nm rcsintro
                     22: .Nd introdution to Revision Control System
                     23: .Sh DESCRIPTION
                     24: Revision Control System (RCS) is a software tool which lets people
                     25: manage multiple revisions of text that is revised frequently, such as
                     26: source code or documentation.
                     27: .Sh USING RCS TO TRACK FILE CHANGES
                     28: One of the most common uses of
                     29: .Xr rcs 1
                     30: is to track changes to a document containing source code.
                     31: .Pp
                     32: As an example,
                     33: we'll look at a user wishing to track source changes to a file
                     34: .Ar foo.c .
                     35: .Pp
                     36: If the
                     37: .Ar RCS
                     38: directory does not exist yet, create it as follows and invoke the
                     39: check-in command:
                     40: .Bd -literal -offset indent
                     41: $ mkdir RCS
                     42: $ ci foo.c
                     43: .Ed
                     44: .Pp
                     45: This command creates an RCS file
                     46: .Ar foo.c,v
                     47: in the
                     48: .Ar RCS
                     49: directory, stores
                     50: .Ar foo.c
                     51: into it as revision 1.1, and deletes
                     52: .Ar foo.c .
                     53: .Xr ci 1
                     54: will prompt for a comment to be entered.
                     55: Whenever a newly created (or updated) file is checked-in,
                     56: .Xr ci 1
                     57: will prompt for a comment.
                     58: That comment will be added to the RCS file along with the new revision.
                     59: .Pp
                     60: The
                     61: .Xr co 1
                     62: command can now be used to obtain a copy of the checked-in
                     63: .Ar foo.c,v
                     64: file:
                     65: .Pp
                     66: .Dl $ co foo.c
                     67: .Pp
                     68: This command check the file out in shared, or unlocked mode.
                     69: If a user wants to have exclusive access to the file to make changes to it,
                     70: it needs to be checked out in locked mode using the
                     71: .Fl l
                     72: option of the
                     73: .Xr co 1
                     74: command.
                     75: Only one concurrent locked checkout of a revision is permitted.
                     76: .Sh SEE ALSO
                     77: .Xr ci 1 ,
                     78: .Xr co 1 ,
                     79: .Xr cvs 1 ,
                     80: .Xr ident 1 ,
                     81: .Xr rcs 1 ,
                     82: .Xr rcsclean 1 ,
                     83: .Xr rcsdiff 1 ,
                     84: .Xr rcsmerge 1 ,
                     85: .Xr rlog 1
1.2     ! jmc        86: .Sh HISTORY
        !            87: The OpenRCS project is a BSD-licensed rewrite of the original
        !            88: Revision Control System written by Jean-Francois Brousseau, Joris Vink,
        !            89: Niall O'Higgins, and Xavier Santolaria.
        !            90: The original RCS code was written in large parts by Walter F. Tichy,
        !            91: and Paul Eggert.