1 Become a volunteer fireman. 2  You will still have to meet the basic requirements of being a fireman, but won't be compensated for your efforts. 3  If you're already doing this, it will make it easier for you to get hired as a fireman, but if this is your career goal, you should want to be a salaried employee.
Computers using a Windows operating system have a Windows flag/Start icon in the lower left corner of the screen. Computers using a Macintosh operating system have an Apple icon in the upper left corner of the computer screen.
Confidence votes 1. OS, in terms of computer, means the Operating System that your computer is currentl using. If you're using Windows as your default program your Operating System will either be XP, 2000, 98 or ME. The same goes for Mac, but these will be ones like Leopard.