<Table> Linux kernel <Tr> <Td colspan="2"> Tux the penguin , mascot of Linux </Td> </Tr> <Tr> <Td colspan="2"> Linux kernel 3.0. 0 booting </Td> </Tr> <Tr> <Th> Developer </Th> <Td> Linus Torvalds and thousands of collaborators </Td> </Tr> <Tr> <Th> Written in </Th> <Td> C and assembly </Td> </Tr> <Tr> <Th> OS family </Th> <Td> Unix - like </Td> </Tr> <Tr> <Th> Initial release </Th> <Td> 0.01 ( 17 September 1991 ; 27 years ago ( 1991 - 09 - 17 ) ) </Td> </Tr> <Tr> <Th> Latest release </Th> <Td> 4.19 ( 22 October 2018 ; 7 days ago ( 2018 - 10 - 22 ) ) ( ± ) </Td> </Tr> <Tr> <Th> Latest preview </Th> <Td> 4.19 - rc8 ( 15 October 2018 ; 14 days ago ( 2018 - 10 - 15 ) ) ( ± ) </Td> </Tr> <Tr> <Th> Available in </Th> <Td> English </Td> </Tr> <Tr> <Th> Kernel type </Th> <Td> Monolithic </Td> </Tr> <Tr> <Th> License </Th> <Td> GNU General Public License , version 2 plus various optional freely redistributable ( proprietary ) binary blobs </Td> </Tr> <Tr> <Th> Official website </Th> <Td> kernel.org </Td> </Tr> </Table>
<Table> Linux kernel <Tr> <Td colspan="2"> Tux the penguin , mascot of Linux </Td> </Tr> <Tr> <Td colspan="2"> Linux kernel 3.0. 0 booting </Td> </Tr> <Tr> <Th> Developer </Th> <Td> Linus Torvalds and thousands of collaborators </Td> </Tr> <Tr> <Th> Written in </Th> <Td> C and assembly </Td> </Tr> <Tr> <Th> OS family </Th> <Td> Unix - like </Td> </Tr> <Tr> <Th> Initial release </Th> <Td> 0.01 ( 17 September 1991 ; 27 years ago ( 1991 - 09 - 17 ) ) </Td> </Tr> <Tr> <Th> Latest release </Th> <Td> 4.19 ( 22 October 2018 ; 7 days ago ( 2018 - 10 - 22 ) ) ( ± ) </Td> </Tr> <Tr> <Th> Latest preview </Th> <Td> 4.19 - rc8 ( 15 October 2018 ; 14 days ago ( 2018 - 10 - 15 ) ) ( ± ) </Td> </Tr> <Tr> <Th> Available in </Th> <Td> English </Td> </Tr> <Tr> <Th> Kernel type </Th> <Td> Monolithic </Td> </Tr> <Tr> <Th> License </Th> <Td> GNU General Public License , version 2 plus various optional freely redistributable ( proprietary ) binary blobs </Td> </Tr> <Tr> <Th> Official website </Th> <Td> kernel.org </Td> </Tr> </Table>
in what year was the source code for the linux kernel released
in what year was the source code for the linux kernel released
1991
1991