Definition of beaker for Students. : a cup or glass with a wide mouth and usually a lip for pouring that is used especially in science laboratories for holding and measuring liquids.
In Microsoft Windows, each environment variable's default value is stored in the Windows registry or set in the AUTOEXEC.BAT file. On Unix, a setuid program is given an environment chosen by its caller, but it runs with different authority from its caller.
1 Click Environment Variables. 2  In the section System Variables, find the PATH environment variable and select it. 3  Click Edit. 4  If the PATH environment variable does not exist, click New. 5  In the Edit System Variable (or New System Variable) window, specify the value of the PATH environment variable.