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Linux

WhatIsAndroid

What is Android? A beginner’s guide

Android is an open source and Linux-based Operating System for mobile devices such as smartphones and tablet computers. Android was developed by the Open Handset Alliance, led by Google, and other companies. Android offers a unified approach to application development for mobile devices which means developers need only develop for …

vicheatsheet

Basic vi Commands

General Startup To use vi: vi filename To exit vi and save changes: ZZ or :wq or : x To exit vi without saving changes: :q! To enter vi command mode: [esc] Counts A number preceding any vi command tells vi to repeat that command that many times. Cursor Movement …

linux_file_permissions

Linux ls command

This command of Linux lists the contents of a directory. By default current directory. -a Shows you all files, even files that are hidden (these files begin with a dot.) -A List all files including the hidden files. However, does not display the working directory (.) or the parent directory …

Learn Embedded Linux with ARMulator

Learn Embedded Linux with ARMulator uClinux is an excellent way to study the embedded operating systems for an engineer, student, hobbyist, Linux-enthusiast. I am interested in Embedded Linux for ARM microcontroller. Before buying a new mcu evaluation board, there is a smart way to study the Embedded Linux. That is …

Linux for Embedded Systems

Linux for Embedded Systems For a microcontroller learner, Embedded System is a challenge. Linux are used as an operating system for the modern embedded devices. I am a one who are trying to study Linux on an embedded microcontroller, i.e., 8051 mcu and ARM. Let’s start together! This is a …

New book explains how to build Linux 26 kernels

New book explains how to build Linux 2.6 kernels O’Reilly has published a book for Linux users interested in learning to build their own kernels. Linux Kernel in a Nutshell describes how to build and install Linux 2.6 kernels, starting with downloading the source. It was written by well-known kernel …

Linux Typical Dot Files

There is some redundancy across these programs. For example, the look and behavior of emacs can be customized by usinng the .emacs file, but also by adding the appropriate modifications to the .Xdefaults file. Default versions of these files are often installed in users’ home directories when the software packages …

Linux on AVR

Linux on AVR Every once in a while something comes along that changes the way you look at things. A project posted last week by Dmitry Grinberg was such a thing for me. The project in itself is already pretty strange: porting a 32-bit operating system (OS) to an 8-bit …

Set your PATH variable under Linux

This article explains how set your PATH variable under Linux. This has the same use as that of setting the PATH variable under DOS. Under Linux too, modifying the PATH would add these new directories to your default search path. So in case you have a particular executable in a …

Basic Linux Commands

Command Example Description cat Sends file contents to standard output. This is a way to list the contents of short files to the screen. It works well with piping. cat .bashrc Sends the contents of the “.bashrc” file to the screen. cd Change directory cd /home Change the current working …