Linux, Windows, Security, Programming, Network Tutorials
Environment is shell running session and session related info. environment is important part of the Linux bash. We can set variables at the current environment and use them. Bash also provides some default environment variables too. Create Variables While Login You may need to create variable at login time of the user. For example to … Read more
Cygwin is a free software to provide Linux and Unix environment, tools, and libraries in Windows operating systems. Cygwin is also called an emulator because it translates Linux system calls into Windows type systems calls. Cygwin generally used to run Linux tools like ssh, SCP, bash, X11, GCC in the Windows environment. Cygwin support following … Read more
uname command is a simple tool that provides information about the kernel, machine, processor, and operating system. There are a lot of more complex and feature applications that can provide more information but the simplicity makes uname best choose. Syntax We will use the following syntax for uname command. uname [OPTION]… Help Brief help can … Read more
Linux have a lot of utilities to manage, diagnose, check and correct different type of file systems. these utilities provide a lot of features especially Linux native file systems like ext2,ext3,ext4 etc. One of the most popular tool is fsck tool. In this tutorial we will look general usage of fsck Syntax Fsck have similar syntax … Read more
Tmux is a terminal multiplexer popular in Linux world. Tmux provides multiple windows in a single session. Tmux also has the ability to detach and run after disconnect and attach after connection. This is very useful for system administrators. What Is Tmux? Tmux is described as terminal multiplexer. This terms means a single terminal can … Read more
As a system administrator monitoring systems is very important job. Actually we can state that half of system administrating is monitoring and anticipating systems and their events. In this tutorial, we will look at Linux monitoring tools and their features. As I know there is a lot of tools to monitor and debug Linux system, … Read more
Comparing files line by line can be done with a tool named diff. There are a lot of different options provided by diff. We will look at the most popular and useful features in this tutorial. Syntax diff has simple syntax. There are options that we will look later and files to be compared. diff … 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
Linux is the kernel and there are a lot of distributions those use kernel. Distributions provide different experience and flavors to the users. Some times getting distribution and version information from a Linux box became very important. We will look at how to get Linux kernel and distribution from the Linux system. Kernel Information Kernel … Read more