<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--Rendered using the Haskell Html Library v0.2--> <HTML ><HEAD ><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" ><TITLE >System.Posix.User</TITLE ><LINK HREF="haddock.css" REL="stylesheet" TYPE="text/css" ><SCRIPT SRC="haddock-util.js" TYPE="text/javascript" ></SCRIPT ></HEAD ><BODY ><DIV CLASS="outer" ><DIV CLASS="mini-topbar" >System.Posix.User</DIV ><DIV CLASS="mini-synopsis" ><H1 >User environment </H1 > <H2 >Querying the user environment </H2 > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetRealUserID" TARGET="main" >getRealUserID</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetRealGroupID" TARGET="main" >getRealGroupID</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetEffectiveUserID" TARGET="main" >getEffectiveUserID</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetEffectiveGroupID" TARGET="main" >getEffectiveGroupID</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetGroups" TARGET="main" >getGroups</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetLoginName" TARGET="main" >getLoginName</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetEffectiveUserName" TARGET="main" >getEffectiveUserName</A ></DIV > <H3 >The group database </H3 > <DIV CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="System-Posix-User.html#t%3AGroupEntry" TARGET="main" >GroupEntry</A > </DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetGroupEntryForID" TARGET="main" >getGroupEntryForID</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetGroupEntryForName" TARGET="main" >getGroupEntryForName</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetAllGroupEntries" TARGET="main" >getAllGroupEntries</A ></DIV > <H3 >The user database </H3 > <DIV CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="System-Posix-User.html#t%3AUserEntry" TARGET="main" >UserEntry</A > </DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetUserEntryForID" TARGET="main" >getUserEntryForID</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetUserEntryForName" TARGET="main" >getUserEntryForName</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AgetAllUserEntries" TARGET="main" >getAllUserEntries</A ></DIV > <H2 >Modifying the user environment </H2 > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AsetUserID" TARGET="main" >setUserID</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-User.html#v%3AsetGroupID" TARGET="main" >setGroupID</A ></DIV ></DIV ></DIV ></BODY ></HTML >