For new user accounts, execute the following procedure one time. First, determine the location of the Yohkoh software at your site. Call this path ysw. % setenv ys ysw% source $ys/gen/script/ys_newuserOnce this procedure has been executed, the following command will define the Yohkoh IDL environment: % source /.ysloginMost users will find it convenient to have this Yohkoh setup done automatically as part of the login procedure. For Ultrix and IRIX users, insert the line into your /.login file. Users of SUN, Mips, and most others should insert the line into the /.cshrc file.