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.
Operating systems are software that make the computer function. It is the layer that connects the hardware to the applications software. All programs that run on the computer do so in coordination with the operating system. Some examples of operating systems are Windows, Macintosh, O/S, Linux, Unix, Netware, and countless others