Linux, Windows, Security, Programming, Network Tutorials
Operating systems are an important part of today’s IT systems. During history, different types of operating systems are developed with different methodologies, licenses, prices, and features. Even most of us do not know there are hundreds of operating systems where only a dozen of them continued and most of them vanished. What Is Operating System? … Read more
An operating system is a software that is used to operate, use computer or server hardware, and provide these sources to the user applications. Operating systems is an intermediate software which is very important for computers and servers because it provides a lot of different services to the user side applications. Operating System History Operating … Read more
Different operating systems like Linux and Windows have different text file formats which are not compatible with each other. While using these platforms to edit and read text file there will be problems. If we want to use a text file which is created or edited in Windows or MS-DOS environment in Linux we need to … Read more
What is POSIX? We hear this term in Linux and Unix world but do not understand the meaning of POSIX. POSIX is the short form of Portable Operating System Interface . Lets start explaining everything about the POSIX. IEEE POSIX Standard POSIX is a standard developed for Unix operating systems. At the old times Unix has … Read more
Checkpoint, Palo Alto, Cisco ACS, and others, all of them are enterprise, popular and good firewalls. But all of them require some price to pay. Is there any free alternative to these enterprise firewalls? Yes, there are a lot but most of them are not a competitor for them. Pfsense is the most advanced, powerful, … Read more
Linux and Unix are two popular operating systems. Reality is Unix is the predecessor of Linux and their share a lot of things that are similar. But there are different things between them too. In this post, we will look at similarities and differences in both operating systems. Price and Cost Linux: Linux consists of … Read more
Unix operating system is the root of multi-tasking operating systems. We can call Unix as the first modern operating system that provides advanced operating system features like kernel, development tool, user and admin commands, multi-tasking, etc. Unix operating system is developed 1970’s in Bell Labs research center by Ken Thompson, Dennis Richie, and others. Unix … Read more