By the end of this course, the learners will be able to learn about the operating systems (the MS-DOS, the Windows Operating System, the UNIX Operating System, the Mac OS X Operating System, the Linux Operating System) and Operating Systems and Systems Software. 

Keywords: 

• Operating Systems (Operating System)
• Multiprogramming
• multitasking
• multiprocessing
• MS-DOS (MicroSoft-Disk Operating System)
• Linux
• Mac OS X
• UNIX
• Windows