\label{doc_help_elektra-glossary_md_md_doc_help_elektra_glossary}%
\Hypertarget{doc_help_elektra-glossary_md_md_doc_help_elektra_glossary}%
 \hypertarget{doc_help_elektra-glossary_md_autotoc_md2239}{}\doxysection{Introduction}\label{doc_help_elektra-glossary_md_autotoc_md2239}

\begin{DoxyItemize}
\item {\bfseries{Configuration settings}}\+: customize applications towards the users\textquotesingle{} needs. It fulfills following properties\+:
\begin{DoxyItemize}
\item It is provided by the execution environment.
\item It can be changed by the maintainer, user, or system administrator of the software.
\item It consists of a key name, a {\bfseries{configuration value}}, and potentially {\bfseries{metadata}}.
\end{DoxyItemize}
\item A {\bfseries{configuration file}}\+: is a file containing configuration settings.
\item {\bfseries{Configuration storage}}\+: makes configuration settings persistent. The application will read the configuration at every start from the configuration storage, but it is only stored if a user changes settings.
\item {\bfseries{Key databases}}\+: are used for configuration storages because of these constraints. They can do fast key lookups and the keys can be structured hierarchically by defining separators in the key names.
\item {\bfseries{Global key database}}\+: provides global access to all configuration storages of all applications in a system. Abbreviated as {\ttfamily KDB}.
\item {\bfseries{Lib\+Elektra}}\+: is a set of \mbox{\hyperlink{src_libs_README_md}{libraries}} to access configuration parameters in a global, hierarchical key database.
\item {\bfseries{Spec\+Elektra}}\+: is a \href{/home/jenkins/workspace/libelektra-release/doc/METADATA.ini}{\texttt{ specification language}} that allows us to describe the content of the global key database.
\item {\bfseries{Elektra}}\+: is a framework consisting of Lib\+Elektra, Spec\+Elektra, and a collection of tools.
\item To {\bfseries{elektrify}} an application\+: to change the application so that it uses Lib\+Elektra afterwards.
\item {\bfseries{Elektra Initiative}}\+: is a community that develops Lib\+Elektra, expands Spec\+Elektra, improves Elektra\textquotesingle{}s tooling and helps to elektrify applications.
\item {\bfseries{Option}}, more specifically {\bfseries{Command-\/line option}}\+: is a special argument passed on the command-\/line. {\bfseries{Short options}} are single characters prefixed with \textquotesingle{}-\/\textquotesingle{}; {\bfseries{Long options}} are arbitrarily long and start with \textquotesingle{}--\textquotesingle{}.
\end{DoxyItemize}\hypertarget{doc_help_elektra-glossary_md_autotoc_md2240}{}\doxysection{Technical Concepts}\label{doc_help_elektra-glossary_md_autotoc_md2240}

\begin{DoxyItemize}
\item \mbox{\hyperlink{doc_help_elektra-backends_md}{Backends}}\+: A collection of {\bfseries{plugins}} to be {\bfseries{mounted}}. A {\bfseries{backend}} typically is responsible to read and write a configuration file.
\item \mbox{\hyperlink{doc_help_elektra-bootstrapping_md}{Bootstrapping}}\+: To read the mounting configuration and mount during {\ttfamily \mbox{\hyperlink{group__kdb_ga844e1299a84c3fbf1d3a905c5c893ba5}{kdb\+Open()}}}.
\item \mbox{\hyperlink{doc_help_elektra-cascading_md}{Cascading}}\+: To consider multiple places to look for a key.
\item \mbox{\hyperlink{doc_help_elektra-contracts_md}{Contracts}}\+: Contracts state the purpose, functionality and requirements of {\bfseries{plugins}}.
\item \mbox{\hyperlink{doc_help_elektra-mounting_md}{Mounting}}\+: To persistently and permanently include a {\bfseries{backend}} in the {\bfseries{global key database}}. The {\bfseries{mountpoint}} is the key where the backend is mounted to. All keys of the backend are below that key.
\item \mbox{\hyperlink{doc_KEYNAMES_md}{Key name}}\+: All keys in the KDB have a name. This name is the keys unique identifier and follows a particular structure. For more information take look at the \mbox{\hyperlink{doc_KEYNAMES_md}{keyname documentation}}.
\item \mbox{\hyperlink{doc_KEYNAMES_md}{Key name part}}\+: Key names consist of a series parts (and a namespace).
\item \mbox{\hyperlink{doc_KEYNAMES_md}{Key base name}}\+: The last part of a key name.
\item \mbox{\hyperlink{doc_help_elektra-namespaces_md}{Namespaces}}\+: Allow us to have multiple keys for the same purpose and otherwise the same key name.
\item \mbox{\hyperlink{src_plugins_README_md}{Plugins}}\+: The unit of implementation for a feature.
\item \mbox{\hyperlink{doc_help_elektra-metadata_md}{Metadata}}\+: Allows us to describe configuration settings.
\end{DoxyItemize}\hypertarget{doc_help_elektra-glossary_md_autotoc_md2241}{}\doxysection{Details}\label{doc_help_elektra-glossary_md_autotoc_md2241}

\begin{DoxyItemize}
\item \mbox{\hyperlink{doc_help_elektra-sync-flag_md}{Sync Flag}}\+: Marks keys that were changed and need to be written out to disc.
\item \mbox{\hyperlink{doc_help_elektra-values_md}{Null Keys, Null Values}}\+: The absence of keys or values.
\item {\bfseries{pop}}\+: used in {\ttfamily \mbox{\hyperlink{group__keyset_gae42530b04defb772059de0600159cf69}{ks\+Pop()}}} and \mbox{\hyperlink{group__keyset_ggada05f4bbf46fde81d0d57df86e73d914a52fb5f2cc86773d393da62bebebf7984}{KDB\+\_\+\+O\+\_\+\+POP}} means to remove a key from a keyset.
\item {\bfseries{delete}}\+: or abbr. del, used in {\ttfamily \mbox{\hyperlink{group__key_ga3df95bbc2494e3e6703ece5639be5bb1}{key\+Del()}}}, {\ttfamily \mbox{\hyperlink{group__keyset_ga27e5c16473b02a422238c8d970db7ac8}{ks\+Del()}}} and \mbox{\hyperlink{group__keyset_ggada05f4bbf46fde81d0d57df86e73d914a66a5380c120f25f28f49848c4a863ead}{KDB\+\_\+\+O\+\_\+\+DEL}} means to free a key or keyset. The memory can be used for something else afterwards.
\item {\bfseries{remove}}\+: means that the key-\/value information in the physical database will be removed permanently. 
\end{DoxyItemize}