Key combinations in Bash

Ctrl+A – Move cursor to the beginning of the command line. Ctrl+C – End a running program and return the prompt, see Chapter 4. Ctrl+D – Log out of the current shell session, equal to typing exit or logout. Ctrl+E – Move cursor to the end of the command line. Ctrl+H –...

Seven Layers of the OSI Model

The Seven Layers of the OSI Model 7 Application Network Process to Application   Provides network services processes to application processes (such as electronic mail, file transfer,…) Provides user authentication         6 Presentation Data...

Linux, UNIX Directories

Linux directory structure Mount Point Explanation / Root directory /bin Main program /boot Used at boot /dev directory Where the registered user devices (modem, mouse, keyboard, etc.) /etc Configuration files /home Home directories of users, registered in the system /lib Libraries and kernel...

Linux Timeline

Linux Evaluation GNU/Linux Distribution Timeline Distribution Start Year End Year Auditor Security < Kanotix < KNOPPIX < Debian < GNU/Linux Parsix 2005 Backtrack 2006 Caldera < Red Hat < GNU/Linux SCO 2002 2003 Redmond 2001 2002 Corel < Debian <...