A baseline is an identified set of files and directories in
which there is one and only one version of each file and
directory. A baseline identifies one particular configuration of
the software (or a subset thereof) The baseline represents a
fixed point in the development; that may be recreated as
required. Specifying a Baseline A baseline defines a set of
files, each at a particular version. These need not be the
latest (most recent) version. A baseline label uniquely
identifies the configuration. Files may belong to one or more
baselines. Figure 12 – A baseline defines a set of files, each
at a particular version. In the example of Figure 12 baseline
BL1.0 is the first baseline recorded. It consists of seven
artefacts, each at a unique revision number. For this example,
assume that BL1 records the most recent versions of each
artefact. As development progresses each artefact is modified as
required (that is, some artefact are modified, some are not). At
some time later another baseline is taken – BL2.0. In