12-02-2010
There is an inbuilt version control facility available in UNIX. You can manage your versions using SCCS facility of UNIX. Go through man pages of SCCS or contact your system administrator for more information.
I use this approach in following way.
PHP Code:
# SCCS information:
# %Z% File: %M%
# %Z% Version: %I%
# %Z% SCCS Base: %F%
# %Z% Updated on: %E% at %U%
# %Z% Obtained on: %D% at %T%
#
# Name:
# Program Name
#
# Purpose:
# Purpose of the code.
#
# Description:
# Description.
#
# Author:
# James Bond
#
# History:
# 01-Jun-2009 Mon James Bond
# First version checked in.
Whenever changes are made, coder simply appends his/her name under History tag along with the changes. Rest are automatically updated by SCCS itself.
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LEARN ABOUT HPUX
sccsdiff
sccsdiff(1) General Commands Manual sccsdiff(1)
NAME
sccsdiff - compare two versions of an SCCS file
SYNOPSIS
n] file...
DESCRIPTION
The command compares two versions of an SCCS file, and generates the differences between the two versions. Any number of SCCS files may be
specified, but arguments apply to all files.
Options
SID1 and SID2 specify the deltas of an SCCS file that are to be compared. Versions are passed to in the order given (see
bdiff(1)). The SIDs accepted, and the corresponding version retrieved for the comparison are the same as for (see
get(1)).
Pipe output for each file through
(see pr(1)).
n is the file segment size that passes to (see diff(1)). This is useful when fails due to a high system load.
EXTERNAL INFLUENCES
International Code Set Support
Single- and multibyte character code sets are supported with the exception that multibyte character file names are not supported.
DIAGNOSTICS
The two versions are identical.
Use sccshelp(1) for explanations.
FILES
Temporary files.
SEE ALSO
bdiff(1), diff(1), get(1), pr(1), sccshelp(1).
sccsdiff(1)