Bash is the command-line interface for Linux distributions like Ubuntu, CentOS, Debian, Mint, Kali, RedHat, Fedora, etc. Bash provides a lot of different type of commands and tools to manage a Linux system. In this...
Linux Bash shell is the most popular shell. /bin/bash is the path and executable of the Bash shell. /bin/bash is a binary which is used in different ways to run and execute commands and scripts....
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...
Linux and Unix ecosystem mainly used command line based. While working with command line and C Shell we generally need some values to use with commands. Shells provide environment variables for this. This environment variables...
A scripting language is a programming language supports writing simply to medium level applications in operating systems like Linux, Ubuntu, Debian, CentOS, Windows, MacOS, BSD, Unix. Scripting languages can be used to run complex tasks...
Linux Bash provides a lot of useful features and commands. Pipe or | is one of them. Bash provides command line interface facility which mainly used to concatenate command output to another command. Concept In Linux...
Linux bash provides a lot of commands and features for Regular Expressions or regex. grep , expr , sed and awk are some of them. Bash also have =~ operator which is named as RE-match operator. In this tutorial...
Bash provides string operations. We can use different operations like remove, find or concatenate strings in bash. In this tutorial we will look how to add or concatenate strings in Linux bash. Put Variables Side...
as We generally use bash in order to execute commands. But as bash is a programming environment we have other programming related features. We can compare strings where these strings are output or error of...
Linux bash have a lot of different type of programming features. While using these features we can create very complex scripts or applications in bash. In order to take notes in a script we should...
