1. Operating systém GNU Linux

2. History First computers –WW II The Bomb (Alan Turing) Colosus (Thomas Flowers)

3. History ENIAC 1946 (US Army)

4. History 1936: Z1-Z3 Computers (Konrad Zuse, Germany) Destroyd 1944

5. 1950-1959 Jobs system Languages of Symbolic Adreses (Assembler) UNIVAC (1. commercial product)

6. 1960-1965 Early computers with Operating systems –MFT (IBM,1962) –Multics (Multiplexed Information and Computing servicies, Bell laboratories, 1964)

7. UNIX 1969 Ken Thompsen, Dennis Ritchie (Bell Laboratories, AT&T) Computer game Space Travel –Multitasking –Multiuser –Written in Hight Programming Language (C) –File system

8. History of UNIX http://upload.wikimedia.org/wikipedia/commons/1/11/Unix-history.svg

9. LINUX 1991 (Linux Thorvald) Linux Distribution –Debian, Fedora, Red Hat,… GNU Linux SLAX

10. PC Operation Systems 1981 MS DOS 1985 MS Windows –….

11. Architecture of OS

12. Shell Application sw for communication between user and OS kernel –Bourne shell (bs) –Borne again shell (bash) –C shell (csh) –… –Secure shell (ssh)

13. Bourne again shell GNU shell used in various distribution of GNU Linux UNIX compatible

14. File system ls –ls –l pwd cd rm,cp,mv type more

15. Linux file system bin --- basic executable files boot --- start szstem files etc --- tables home --- home directories of users lib --- libraries mnt --- mounted devicies usr --- applications

16. Redirection of input, output echo “Hello friends” echo “Hello friends” >file type file type file, file > file type file | more mail vanicek@fsv.cvut.cz <filevanicek@fsv.cvut.cz

17. Rules of acces rwxrwxrwx rwxr- -r-- chmod chown

18. Processes ps ps –aux while 1 do echo ”hallo” while 1 do echo ”hallo” > file & running on background kill PID

19. Users /etc/passwd adduser

20. Exercise Create new user with your login name Create user vanicek Create file with a greeting Send this file by mail to user vanicek Set rights to this file to everyone Start a process iteratively sending an greeting email to user vanicek Stop this process