what is linux
A free and open-source operating system developed by Linus Torvalds and friends and was first announced by Linus in a post he made August 25, 1991. The Linux kernel runs on numerous different platforms including the Intel and Alpha platform and is available under the GNU General Public License.
Linux ABCs
Developed by Linus Torvalds and further elaborated by a number of developers throughout the world, Linux (lee'nuhks/ or /li'nuks/,_not_/li:'nuhks) is a freely available multitasking and multiuser operating system. From the outset, Linux was placed under General Public License (GPL). The system can be distributed, used and expanded free of charge. In this way, developers have access to all the source codes, thus being able to integrate new functions or to find and eliminate programming bugs quickly. Thereby drivers for new adapters (SCSI controller, graphics cards, etc.) can be integrated very rapidly.
See additional Linux information and variants and information on the Linux variants page.
MS-DOS vs. Linux and Unix
If you are able to navigate using MS-DOS, you should be able to quickly pick up on the navigation of Linux and Unix. In the below chart is a listing of common MS-DOS commands with their Linux and Unix counterpart.
| MS-DOS | Linux and Unix |
| attrib | chmod |
| backup | tar |
| dir | ls |
| cls | clear |
| copy | cp |
| del | rm |
| deltree | rm -R rmdir |
| edit | vi pico |
| format | fdformat, mount, and umount |
| move and rename | mv |
| type | less <file> |
| cd | cd chdir |
| more < file | more file |
| md | mkdir |
| win | startx |
Linux and Unix Commands
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