25 Useful Basic Commands of APT-GET and APT-CACHE for Package Management

This article explains how quickly you can learn to install, remove, update and search software packages using apt-get and apt-cache commands from the command line. This article provides some useful commands that will help you to handle package management in Debian/Ubuntubased systems.

APT-GET and APT-CACHE Commands

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How to understand the Ubuntu file system layout?

You can read up on this on for instance wikipedia. An excerpt:

The Filesystem Hierarchy Standard (FHS) defines the main directories and their contents in Linux operating systems. For the most part, it is a formalization and extension of the traditional BSD filesystem hierarchy.

The FHS is maintained by the Linux Foundation, a non-profit organization consisting of major software and hardware vendors, such as HP, Red Hat, IBM and Dell. The current version is 3.0, released on June 3, 2015.

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