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  As per official JSON website, JSON is a light-weight data interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language, Standard ECMA-262 3rd Edition — December 1999. In this small article, we will […]

CPU Utilization and how to monitor high CPU usage in Linux What is CPU Utilization? CPU utilization refers to a computer’s usage of processing resources or the amount of work handled by a CPU. Actual CPU utilization varies depending on the amount and type of managed computing tasks. Certain tasks require heavy CPU time, while […]

Introduction Awk Command in Unix: Awk Command in Unix is a programming language which allows easy manipulation of structured data and the generation of formatted reports. Awk stands for the names of its authors “Aho, Weinberger, and Kernighan” Some of the key features of Awk are: Awk views a text file as records and fields. Like common […]

Functions in shell script: The best way to learn shell scripting is to fall in love with the command line.Functions in shell script plays an important role for re-usability.   What functions in shell script all about? A function is a group of commands that are assigned a name that acts like a handle to […]

Sed command in unix: Sed command which is used for text manipulation, which is a very important step in our bash scripting journey.     Operating system provides some tools for text processing, one of those tools is sed. Sed command is used to work with text files like log files, configuration files and other […]

In this series, we are going to learn Linux Shell Scripting. Shell scripting is a very important skill that Unix/Linux administrators can never go without. Shell Scripting means writing scripts (programs) for the UNIX/Linux Shell. So, let me tell you what Linux Shell is. What is Shell? A shell in a Linux operating system takes […]