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.
In spite of its very small size and relative simplicity, it is one of the most successful operating systems that has been developed to date. When IBM launched its revolutionary personal computer, the IBM PC, in August 1981, it came complete with a 16-bit operating system from Microsoft, MS-DOS 1.0.