In 11.10 and earlier, the admin group was used to control "administrative users": https://wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/UbuntuDesktop#PrecisePangolin.2BAC8-ReleaseNotes.2BAC8-CommonInfrastructure.Common_Infrastructure -- it has since changed to the sudo group but the configuration has remained to support older configurations.
In 11.10 and earlier, the admin group was used to control "administrative users": https:/ /wiki.ubuntu. com/PrecisePang olin/ReleaseNot es/UbuntuDeskto p#PrecisePangol in.2BAC8- ReleaseNotes. 2BAC8-CommonInf rastructure. Common_ Infrastructure -- it has since changed to the sudo group but the configuration has remained to support older configurations.