How to use variables in shell Scripting

In every programming language variables plays an important role , in Linux shell scripting we are using two types of variables : System Defined Variables & User Defined Variables. A variable in a shell script is a means of referencing a numeric or character value. And unlike formal...

Continue reading

25 useful find command examples for Linux beginners

Find command is one of the most useful & important command used in Linux. Its available & installed by default on almost all the versions of Linux. Everything on Linux is in the form of files, & we should be able to locate a file when required. With...

Continue reading

Linux vs. Unix

Linux is an open source, free to use operating system widely used for computer hardware and software, game development, tablet PCS, mainframes etc. Unix is an operating system commonly used in internet servers, workstations and PCs by Solaris, Intel, HP etc. Comparison Chart Linux  Unix  Cost  Linux can...

Continue reading

How to define and use functions in Linux Shell Script

• 
• 

PrevNext

In this article we’ll discuss more about functions and recipes. For demonstration purpose I’ll be using Bourne Again SHell(Bash) on Ubuntu machine. Calling function In Shell calling function is exactly same as calling any other command. For instance, if your function name is my_func then it can be...

Continue reading

Essential Linux/Unix Commands

Unix is the now one of the most commonly used Operating System used for various purposes such as Personal use, Servers, Smartphones and many more. ◈ You’ll be surprised to know that the most popular programming language C came into existence to write the Unix Operating System. ◈...

Continue reading

10 Useful Linux Networking Commands

In this article, I will show you useful Linux networking commands, which will help you in troubleshooting. 1. Ifconfig ifconfig utility is used to configure network interface parameters. Mostly we use this command to check the IP address assigned to the system. [root@localhost ~]# ifconfig -a eno16777736: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>...

Continue reading

Top command usages and examples in Unix/Linux

• 
• 
• 
• 
• 
• 
• 

PrevNext

Top command has an important role in Unix/Linux system/server administration side. The command “top” displays a dynamic view of process that are currently running under the system. Here I’m  explaining some of the useful usage of top command for my Admin friends. Top command is simple in usage...

Continue reading

Linux Commands to manage Local Accounts – useradd, usermod, chage & passwd

• 
• 
• 
• 
• 

PrevNext

User administration is one of the important task of Linux system administrator. Local accounts or users in Linux like operating system is managed by useradd, usermod, userdel, chage and passwd commands. ◈ useradd command is used to create new accounts in Linux ◈ usermod command used to modify...

Continue reading

Linux/UNIX xargs command examples

xargs is a command in UNIX like System that reads items from the standard input, delimited by blanks (which can be protected with double or single quotes or a backslash) or newlines, and executes the command (default is /bin/echo) one or more times with any initial-arguments followed by...

Continue reading

Linux/UNIX wget command with practical examples

• 
• 

PrevNext

wget is a Linux/UNIX command line file downloader.Wget is a free utility for non-interactive download of files from the Web. It supports HTTP, HTTPS, and FTP protocols, as well as retrieval through HTTP proxies.Wget is non-interactive, meaning that it can work in the background, while the user is...

Continue reading

The Best Linux Certifications for 2018

In the IT world, Linux certifications are the determining factor on how far your career goes seeing that more than half of the world’s servers run on Linux Operating Systems and virtually every IT expert is expected to have certain certificates to bank a job placement. Today, we...

Continue reading