Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / RedHat / Ubuntu
by İsmail Baydan · Published 14/01/2019
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. Script File Interpreter #!/bin/bash In Linux and opensource world script files are very important. There...
Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / RedHat / Ubuntu
by İsmail Baydan · Published 31/08/2018
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 the POSIX. IEEE POSIX Standard POSIX is a standard developed for Unix operating systems. At...
Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / RedHat / Ubuntu
by İsmail Baydan · Published 03/08/2018
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 can be managed with setenv command like add, change and remove. Syntax Syntax of setenv command is...
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by İsmail Baydan · Published 25/06/2018 · Last modified 12/03/2019
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 automatically or manually with very little effort. We can describe actions in a scripting language...
Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / RedHat / Ubuntu
by İsmail Baydan · Published 25/01/2018
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 everything is file. This may seem odd but it is. Every command executed will have...
Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / RedHat / Ubuntu
by İsmail Baydan · Published 08/01/2018
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 we will look =~ operator and use cases. More information about regex command cna be...
Bash / Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / Programming / RedHat / Ubuntu
by İsmail Baydan · Published 21/11/2017
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 By Side The simplest and easy to understand way to concatenate string is writing the...
Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / RedHat / Ubuntu
by İsmail Baydan · Published 04/11/2017
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 some commands. In this tutorial we will look different use cases for string comparison in...
Bash / Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / Programming / RedHat / Ubuntu
by İsmail Baydan · Published 24/10/2017
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 use comments. Comments provides useful information for system administrators. Comment Bash In bash comments starts...
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by İsmail Baydan · Published 24/10/2017
Linux provides different philosophy and use cases from system point of view. socat is very interesting command which provides us the ability to redirect input and outputs from different type of system resources like network, file, command, socket etc. Install For Debian, Ubuntu, Mint and Kali socat can be install...
