_POSIX2_VERSION: Standards conformanceEDITOR: Merge CommandsLC_COLLATE: Comparing DirectoriesLC_NUMERIC: Line Group FormatsLC_TIME: Detailed ContextPATCH_GET: Revision ControlPATCH_VERSION_CONTROL: Backup NamesPOSIXLY_CORRECT: Standards conformancePOSIXLY_CORRECT: patch and POSIXQUOTING_STYLE: patch Quoting StyleSIMPLE_BACKUP_SUFFIX: Backup NamesVERSION_CONTROL: Backup NamesVERSION_CONTROL: Revision Control