File Permissions in Linux

Permission Groups There are below three permission groups for each file and directory Owner : The Owner permissions apply only the owner of the file or directory.Group : This permissions apply only to the group that has been assigned to the file or directory.Others : This permissions apply to all [...]

By |2021-01-17T18:05:44+05:30January 17th, 2021|Categories: Linux|

CD and PWD command in Linux

CD Command The cd (change directory) command is used to change the current working directory in Linux and other Unix-like operating systems. The current working directory is the directory in which the user is currently working in. The syntax for the cd command is as follows: cd [OPTIONS] directory Absolute [...]

By |2021-01-14T23:35:16+05:30January 14th, 2021|Categories: Linux|

What are Services in Linux ?

A service is an application (or set of applications) that runs in the background waiting to be used, or carrying out essential tasks. They are not interactive. It is detached from the keyboard and display of any interactive user. Process is a running program. At a particular instant of time, [...]

By |2020-12-06T00:10:25+05:30December 5th, 2020|Categories: Linux|

Location of Installed Software in Ubuntu

Ubuntu follows the filesystem hierarchy structure. The location where software gets installed depends on how you install it. According to the FHS, /usr hierarchy is reserved for the software provided by the Linux distribution. By convention, /usr/local is reserved for software compiled and installed manually. The /usr/local directory should contain [...]

By |2020-11-22T22:08:27+05:30November 21st, 2020|Categories: Linux|

Tilde and Slash in Linux Bash

Tilde(~) and Slash(/) character in Linux are meta character. Within the confines of a terminal's shell, these have special meaning. Tilde Tilde(~) is used to denote a user's home directory. It contains the path to the current user home directory (it gets expanded to the $HOME env variable). echo ~ [...]

By |2021-01-14T22:36:48+05:30November 18th, 2020|Categories: Linux|

File and Stat Command in Linux

file and stat command in Linux are used for viewing file related information. file command displays the type of a file. stat command is a useful for viewing file or file system status. File Command The syntax for the Linux file command is as follows: file [OPTION] FILE It can [...]

By |2020-11-18T22:10:54+05:30November 18th, 2020|Categories: Linux|

Service in Android

In Android, service is a process which doesn’t need user interaction. It is a component which keep an app running in the background to perform long-running operations. Types of Services These are the three different types of services: Foreground : A foreground service performs some operation that is noticeable to [...]

By |2020-11-14T23:46:33+05:30November 14th, 2020|Categories: Android|

Building Blocks of Android Application

Android apps can be written using Kotlin, Java, and C++ languages. The Android SDK tools compile your code and generate Android package (APK). APK is an archive file with an .apk suffix. App components are the building blocks of an Android application. Each component is an entry point through which [...]

By |2020-11-14T17:09:22+05:30November 14th, 2020|Categories: Android|

Keyboard Shortcuts In Linux Terminal

This post list commonly used keyboard shortcuts in Linux terminal. Auto CompletionIt let's you skip typing out a whole file name or folder name in the command line. It looks at all the information it has so far, and makes a guess about what you mean. For example, type ls [...]

By |2020-11-18T10:24:19+05:30November 11th, 2020|Categories: Linux|

Terminal and Shell in Linux

This post explains the term Terminal, Shell and Bash used in Linux. After reading this post you should be able to distinguish between these conmanly related terms. Terminal Terminal is a program called a terminal emulator. It opens a window and lets you interact with the shell. Various types of [...]

By |2020-11-06T22:05:52+05:30November 6th, 2020|Categories: Linux|
Go to Top