The ‘/bin’ directly contains the executable files of many basic shell commands like ls, cp, cd etc. Mostly the programs are in binary format here and accessible by all the users in the Linux system. 展开

This directory only contains special files, including those relating to the devices. These are virtual files, not physically on the disk. Some interesting examples of these files are: 1. /dev/null: can be sent to … 展开

The /etc directory contains the core configuration files of the system, use primarily by the administrator and services, such as the password file and networking files. If you need to make changes in system configuration (for example, changing the hostname), the etc folder is where you’ll find the respective files. 展开

in ‘/usr’ go all the executable files, libraries, source of most of the system programs. For this reason, most of the files contained therein is read­only (for the normal user) 1. ‘/usr/bin’ contains basic user commands 2. ‘/usr/sbin’ contains additional commands for the administrator 3. ‘/usr/lib’ contains the system libraries 4. ‘/usr/share’ cont... 展开