Bash – POFTUT

Category: Bash

What Is A Variable and How To Define and Use Variables In Programming Languages Like PHP, Python, Java, C#, C/C++, JavaScript, PowerShell, Bash? 0

What Is A Variable and How To Define and Use Variables In Programming Languages Like PHP, Python, Java, C#, C/C++, JavaScript, PowerShell, Bash?

Variables are an important part of the programming languages. Variables are used to store information for basic types like name, age, label, address, count, etc. Variables are named accordingly related to the information or data we want to save. Variable Types As there are different data types we generally use variables for specific types. Different programming languages provide very similar data types. Here list of the variable types. Integer Variable...

What Is If Statement and Use In JavaScript, PHP, Python, Java, C/C++, C#, PowerShell, Bash Programming Languages 0

What Is If Statement and Use In JavaScript, PHP, Python, Java, C/C++, C#, PowerShell, Bash Programming Languages

All programming languages provide conditional statements in order to change the flow of the programs according to given conditions. If statement is most popular conditional statement provided very similar most of the programming languages. If statements provide single or most flow path according to given conditions like count, size, text, etc. General If Statement Syntax As stated previously If statement for different programming languages has very similar syntax. Below is...

What Is Loop For Programming Languages Like Java, C/C+, PHP, Python, C#, JavaScript, Bash? 0

What Is Loop For Programming Languages Like Java, C/C+, PHP, Python, C#, JavaScript, Bash?

Loops are a very important part of the programming languages. Loops are used to iterate over given collection, array, list, etc. There are mainly two types of loops named for loop and while loop. There are other types of loops but they can specially design for the specific programming languages. Loop Types As stated previously there are two types of general loop. They are while and for loops. For loop...

What Is A Function and How To Create Function In PHP, Python, JavaScript, C/C++, C#, Bash, Java , PowerShell Programming Languages? 1

What Is A Function and How To Create Function In PHP, Python, JavaScript, C/C++, C#, Bash, Java , PowerShell Programming Languages?

A function is a basic element of the programming languages. The function is derived from mathematics where complex operations are summed and aggregated together for multiple use cases. In programming, languages function provides abstractions, simplicity, elegance for code which can be used multiple times with a simple call. Syntax Of The Function The function is provided with different programming languages with different syntax but most of them are very similar...

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What Is String Data Type In JavaScript, Java, Python, C# , PHP, C, C++, PowerShell Programming Languages?

String is a very popular data type which can be used in different programming languages like JavaScript, Java, Python, C#, PHP, C, C++, PowerShell.  String is mainly used to store characters like a text. Alternative data types are an integer, floating point, etc where they are mainly used for mathematical calculations. For example “I am visiting poftut.com”  is a string which completely consists of the alphabet. “I visit poftut.com 2...

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Exec System Call For C and PHP Tutorial with Examples

exec() function is a function used to create and run processes in operating systems Linux, Windows and MacOS. exec() function has different useful variants like execve() , execl(), execlp() , execle() etc. General Syntax There are a lot of different exec() function variants.  Here are some of them syntax.

Example C Code During the exec()  function example we will use following C code for examples.

Compiling C Code...

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Linux Bash exit and Exit Codes

Linux bash shell provide simple but useful programming environment. We can write simple applications, scripts which will run commands, redirect input and outputs and create, stop process. After the execution of the script or function we may need to provide some information to script caller. exit keyword is used to end given script with useful information. In this tutorial we will examine different use cases with exit and send exit status to...

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Shell Scripting Languages Examples, Bash, Sh, Python, Powershell, MSDOS, PHP, Tcl, Perl

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 and run them easily. In this tutorial, we will look at popular scripting languages used by different operating systems and...

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Linux Bash Case Statement with Examples

Bash provides an interactive shell and programming environment for its users. Programming environment have very reach features like loops for and while, selection if and case. In this tutorial we will examine the case mechanism in detail. Syntax Syntax of case statement is a bit different and complex then if and other conditional expressions. case statement generally uses expression which is value we want to check and patterns which is a case.

EXPRESSION is the value...

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What Is Base64 and How To Encode and Decode Text?

Base64 is an encoding and decoding algorithm. We need encoding of some data in order to prevent storing and transmission problems. For example If we try to transfer binary data it may create and affect some network devices because of its data structures. Base64 is generally used different applications like email and MIME, XML, JSON, URL and HTTP etc. Data Presentation Base64 uses aphabet, numbers and = for encoded data. For...

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