Introduction to Free and Open Source Software - August 2005

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Introduction to Free and Open Source Software - August 2005

Introduction to Free and Open Source Software - August 2005

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  • 1. GNU/Linux● JMI-LUG(Linux/Open Users Group)● Topics to be discussed – History – Installation – Configuration Saleem A. Ansari B.Tech(Comp. Engg.) Semester-V
  • 2. What is FSF/GNU● Richard Stallman – Emacs, GCC, ...● Paul Vixie - BIND● Linus Torvalds - Linux● Brian Behlendorf – Apache● Bruce Perens – Debian Linux Package● Larry Wall - Perl
  • 3. Richard Stallman● MIT Artificial Intelligence Lab in 1971● GNU ( GNUs Not Unix ), January 1984● ”So, in 1985 we created the Free Software Foundation, a tax-exempt charity for free software development” -- Richard● ”It is due to Linux that we can actually run a version of the GNU system today.” -- Richard
  • 4. Linus B. Torvalds● University of Helsinki, Finland, 1991● Made Linux open source under GPL● OSDL (Open Source Developement Labs)● Linux Version 0.99 ---> 2.7.x
  • 5. ....and many others● People work over the internet by `will`● Mostly includes academic people: Students , Professors, etc...● Business Contributor Companies like: RedHat, Novell, IBM, HP... and many more● Voluntary Contributors
  • 6. What is Linux?● Its is just the Kernel( 0.1-0.3% ) of the total GNU/Linux System● REVOLUTION OS● Most Versatile OS : from Mainframes --> Embedded Devices● Most Stable OS: Stable for Years● Its Free as in Freedom but not necessarily free of cost
  • 7. Installation● Basic Pre-Installation● Partitions● Bootloader
  • 8. Basic Installation● Distros ( Linux Distributions )● What to choose?! – RedHat, Fedora, SUSE, Knoppix, Debian... etc.● Partitioning the Hard disk● BootLoader ( LILO, GRUB, Yaboot ... )
  • 9. Partitions /Mount Points /homeInstallation
  • 10. GRUB – Grand Unified Bootloader
  • 11. Configuration● Adding the Users● Screen Resolution● Sound Configuration● Network Configuration● Terminal
  • 12. Directory Structure/bin, /sbin, /usr, /dev , /etc, /boot, /mnt, /proc *. current directory Some Common Files.. parent directory .bash_login .bash_profile .bash_logout.[_________] hidden files /etc/inittab[__________] regular files /etc/fstab /etc/xinetd.d/ /etc/passwd /etc/init.d/ /etc/rc.d/
  • 13. Shell Variables: PATH, USER, HOME, LANG,CVSROOT...Commands: ls, find, cat, grep, ps, env, kill, mount...Utilities: vi, gcc, emacs, ldd, as, ld...For more references: man pages, info pages