| How
They Work |
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| • | Central
database of source code, |
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| documentation,
build tools |
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| • | Each
file stored only once - all other |
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| versions
are diffs of that one copy |
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| • | To
Make a Change |
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| – | Check
out the latest version of a file |
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| – | Make
the changes |
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| – | Update
the database |
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