Linux Tutorials - Intoduction - Part 1

History of Unix

MULTICS -----> Started in 1965 by AT&T, GE and MIT

UNICS     ------> Created by Ken Thmopson in 1969

UNIX        ------> Written in 100% C Language and Released in 1973

• In 1990, Linus Torvalds, a graduate student from the university of Helsinki designed a UNIX like kernel on 386 Intel Machine and gave this to  Open Source Foundation (OSF).

Linux Distributions

 
Features of Linux

• Open Source - Free Software along with source code and documentation.
• Multi-Tasking - Capable of running multiple applications and process at the same time.
• Multi-user - Allows multiple users to login and use the resources at the same time.
• Portability - Can be installed on all hardware architecture.
• Scalability - Same operating system can be used on a desktop to a super computer.
• Reliability - Large servers have been successfully being running without a single second of down time.
• Security - Inbuilt firewall (iptables) and SElinux.

Reference Books

• Unix Concepts and Applications by Sumitabha Das.
• Red Hat Linux Network and Administration by Terry Collings and Kurt Wall.
• Red Hat Fedora Linux Bible by Christopher Negus
• Specialized books in each topic  ( like DNS, Sendmail, Apache Webserver)