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    • How to Find Out CPU Utilization in UNIX

      How to Find Out CPU Utilization in UNIX

      Keeping track of your CPU’s performance is extremely important. In UNIX, you can accomplish this task by using the system utilities and commands. For those who would like to find out their CPU utilization, one command is extremely important. It is called SAR – System Activity Reporter. The SAR commands make accessing CPU performance quite

    • Linux


      Linux is a free, open source operating system that competes with the Windows Operating Systems and Mac OS X. Linux is widely used on a number of devices such as servers, desktops, laptops, smartphones, PDAs, game consoles, tablet computers, supercomputers, and mainframes. Linux controls only about 4.9% of the market share of desktop computers while

    • How to Use the Unix Top Command

      How to Use the Unix Top Command

      Top is a small, but powerful program on both Unix and Linux systems. Its purpose is to allow users to monitor processes on their system. It has two main sections. The first displays general information such as the load averages, number of running and sleeping tasks, and overall CPU and memory usage. The second main

    • How to Use the Unix Sort Command

      How to Use the Unix Sort Command

      The Unix sort command is a command for the Unix family of operating systems. It is designed to sort whatever information you give it. The command can be used for a variety of purposes, but it is most frequently employed when there are a number of different files which need to be ordered in some

    • Bootable Linux Distributions

      Bootable Linux Distributions

      Bootable distributions of the Linux operating system are becoming very popular for use in securing networks, testing network security, and conducting forensics after suspected intrusions. Local Area Security Linux Local Area Security Linux is a ‘Live CD’ distribution with a small footprint. Containing over 200 information security and administration related tools, as well as a

    • Unix Shell Scripting Tutorials

      Unix Shell Scripting Tutorials

      Unix Shell Scripting Tutorials This Unix shell scripting tutorial provides samples and instructional materials that are easy to understand and useful for Unix shell scripting. It also offers illustrated samples that will helps users explore different avenues of Unix shell scripting.   Bourne Shell Programming Tutorial Learn how to use the Unix shell with this

    • Unix Signals

      Unix Signals

      A signal is a message that can be sent to a running process. Programs, users, or administrators can initiate signals. For example, the proper method of telling the Internet Daemon (inetd) to re-read its configuration file is to send it a SIGHUP signal. For example, if the current process ID (PID) of inetd is 4140,

    • Rootkit


      A rootkit is a type of computer malware that is created to hide programs or other computer processes from detection from both users and antivirus software programs. Once installed, a rootkit will typically obtain administrator or higher-level permissions on the infected computer. Although rootkits originated with the UNIX operating system by providing root access to

    • How to Install Linux on an Xbox

      How to Install Linux on an Xbox

      For hardcore gamers, the Microsoft Xbox is one of the top consoles ever created. The hardware itself is on par with many desktop computers of just a few years ago, which gave many hackers the great idea of actually making their Xbox into a computer fully equipped with a DVD ROM drive, keyboard, mouse, and

    • How to Backup Unix

      How to Backup Unix

      Most Unix systems come with several basic backup software options, including dd, cpio, tar, and dump. If the basic backup software included with Unix does not meet your needs, you may want to look at some of the more comprehensive software packages designed to backup Unix and Windows systems. Built-in Unix Backup Software tar tar

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