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.
Even though it's not one of the most commercially successful operating systems in the market today, this Unix-based Hewlett-Packard OS has been included in this list because of its superior security policies to several more popular operating systems (namely, Mac OS X, Solaris, and Linux).