Augeas is a library and command line tool that focuses on the most
basic problem in handling Linux configurations programmatically:
editing actual configuration files in a controlled manner.
To that end, Augeas exposes a tree of all configuration settings (well,
all the ones it knows about) and a simple local API for manipulating the
tree. Augeas then modifies underlying configuration files according to
the changes that have been made to the tree; it does as little modeling
of configurations as possible, and focuses exclusivley on transforming
the tree-oriented syntax of its public API to the myriad syntaxes of
individual configuration files.
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