18.2 Basic OperationNormally, you maintain RCS files in a subdirectory called RCS , so the first step in using RCS should be:
Next, you place an existing file (or files) under RCS control by running the check-in command:
This creates a file called To edit a new revision, check out a copy:
This causes RCS to extract a copy of
This time, you are prompted to enter a log of the changes made, and the file is deposited as revision 1.2. Note that a check in normally removes the working file. To retrieve a read-only copy, do a check out without a lock:
This is useful when you need to keep a copy on hand for compiling or searching. As a shortcut to the previous ci / co , you could type:
This checks in the file but immediately checks out a read-only copy. To compare changes between a working file and its latest revision, you can type:
Another useful command is rlog , which shows a summary of log messages. System administrators can use the rcs command to set up default behavior of RCS. |
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