18 User’s Guideprograms that are installed on the hard-disk drive.Revising the Control Panel settings orrunning the Windows Setup program maychange options in the win.ini file. Onother occasions, you may need to changeor add options to the win.ini file manuallywith a text editor such as Notepad.<% Read-only files are said to be write-protected. You can write-protect a3.5-inch diskette by sliding its write-protect tab to the open position; you canwrite-protect a 5.25-inch diskette by plac-ing an adhesive label over its write-protectnotch.@@@Abbreviation for World Wide Web.0((Abbreviation for extended memory man-ager, a utility that allows applicationprograms and operating environments touse extended memory in accordance withthe XMS. See also conventional memory,EMM, expanded memory, extendedmemory, and memory manager.0(Abbreviation for eXtended Memory Spec-ification. See also EMS, extendedmemory, and memory manager.$ &Acronym for zero insertion force. Somecomputers use ZIF sockets and connec-tors to allow devices such as themicroprocessor chip to be installed or re-moved with no stress applied to thedevice.