The four major functions of an operating system are

1.The four major functions of an operating system are: Managing programs Managing Memory Handling input and output User Interface Managing programs Managing programs is one of the functions that are most dramatic effect to the operating systems overall quality. There are many different systems that are used for managing programs. You have single tasking, in which you can run only one program application at a time. Multi-tasking in which in the normal operating system allows …

…gives users a chance to try software and continue to use it for free of charge. Public domain is where the author of the particular software grants you the rights to copy and distribute the software. e) If you want to get a copy of Linux, where can you find it? You can either purchase Linux on CD-ROM, diskette or tape or you can go to Linux home web site, which is nic.funet.fi.