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.
An operating system is a program designed to run other programs on a computer. A computerâs operating system is its most important program.esktop PC. Multitasking operating systems can run more than one program at the same time. A computer's operating system is one of its most important aspects. An operating system can be used to managed files on a computer hard drive. A central processing unit.