1969: Birth of ‘C’ and ‘UNIX OS’.
1970: Growth of UNIX because of open-source collaboration commercial sale of UNIX.
1980: Companies developing their own UNIX: IBM(AIX), Solaris(Sun OS), HP(HP-UX) …
Mid-to-late’s 1980: Birth of free software movement -> GNU Project.
1990: Linux Torvalds put the Linux kernel source code online resulted in usage of ‘Linux + GNU’.
Various Linux Distribution:
- Red Hat Enterprise Linux (RHEL): Commercial Linux distribution intended for servers and workstations.
- Fedora: Sponsored by Red Hat, is the foundation for the commercial RHEL.
- Debian: Debian is an OS composed of free, open-source software.
- Others: Popular Distribution include: Ubuntu, Linux Mint, CentOS, open SUSE/SUSE Linux Enterprise…
- Simplified updates for all installed software.
- Free software licensing.
- Access to source code.
- Multiple Distribution.
- Linux provides a CLI(Command Line Interface) to communicate with the Operating System.
- CLI is better for tasks which cannot be performed with the GUI.