Linux was developed by Linux Torvalds at the University of Helsinki in Finland. He started his work in 1991. The effort expanded with volunteers contributing code and documentation over the internet. It is currently developed under the GNU public license and is freely available in source and binary form.
Some of its features include:
- Virtual memory, allowing the system to use disk room the same as RAM memory.
- Networking with TCP/IP and other protocols.
- Multiple user capability.
- Protected mode so programs or user's can't access unauthorized areas.
- Shared libraries
- True multitasking
- X - A graphical user interface similar to windows, but supports remote sessions over a network.
- Advanced server functionality
- FTP server
- Telnet server
- BOOTP server
- DHCP server
- Samba server
- DNS server
- SNMP services
- Mail services
- Network file sharing
- much, much more...
- Support of filesystems that other operating systems use such as DOS (FAT), Windows95,98 (FAT32), Windows NT, 2000 (NTFS), Apple, minix, and others