Autoexec.bat, Environment settings and XP

I'm running XP Home, and sdk1.4.1_02. Initially I modified autoexec.bat to include SET PATH=C:\WINDOWS;C:\WINDOWS\COMMAND;C:\j2sdk1.4.1_02\bin, but to understand the symbol javac, I'd have to c:/autoexec.bat. I read a few ealier postings of people having the same problem, and went to the control panel -> system -> environmental settings and added new definitions for PATH, CLASSPATH, J2EE_HOME and JAVA_HOME, and still the only way I get javac to be recognized it to execute autoexec.bat each time from the DOS prompt. What am I doing wrong? Thanks.

winxp ignores autoexec on bootup (if it exists) as it merely a legacy thing and is looked upon by the system as just another batch file... u need to put the paths for the java bin and j2ee bin directories (as you have in the autoexec inside the PATH variable in your environment variables dialog...

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