A lowercase at the end of an exclusion string often denotes language in installers (like nLite or WinReducer ). Here, -l excludes additional language packs. But more specifically, in Arium’s proprietary sysprep.inf answer files, -l excludes the Lightweight Directory Access Protocol (LDAP) client components.
Being a native French version, it is difficult to fully translate into other languages without a Multilingual User Interface (MUI) pack Windows XP Arium 3005 -French- -DF-l
You may wonder why anyone would voluntarily use in an era of Linux IoT and Windows 11. The answer lies in regulatory inertia : A lowercase at the end of an exclusion
It typically featured a "look and feel" that departed from the standard blue "Luna" theme, often including custom icons, wallpapers, and visual styles. in Arium’s proprietary sysprep.inf answer files