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Linux

Linux. introduction. Why Linux?. Powerful (remote) shell. Starting with Linux. Start a terminal window. Terminal. Who. Where. What. Details. The Linux Manual pages. penguin@bioinfc01:~> ls –l What does the “ -l ” option do? penguin@bioinfc01:~> man ls NAME

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Linux

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  1. Linux introduction

  2. Why Linux? Powerful (remote) shell

  3. Starting with Linux Start a terminal window

  4. Terminal

  5. Who

  6. Where

  7. What

  8. Details

  9. The Linux Manual pages penguin@bioinfc01:~> ls –l What does the “-l” option do? penguin@bioinfc01:~> man ls NAME ls - list directory contents ... -l use a long listing format …

  10. Directory structure

  11. /home home directories for the users /etc system configuration files /var system log files /bin programs /usr/bin programs /sbin administrator programs /usr/sbin administrator programs /tmp temporary work space /mnt network disks /media CD-rom/DVD/USB sticks

  12. The root directory

  13. A closer look at a file

  14. File/Directory permissions penguin@bioinfc01:~> ls -l drwxr-xr-x 2 penguin users … scripts drwxr-xr-x -Directory (yes/no) -right for user, group and others -read, write and execute/open directory owner Access flags group file/directory name user group other

  15. Running the Perl script

  16. Where is the perl program?

  17. Processes

  18. Stopping a process

  19. The root account The adminstrator account on a Linux system is called 'root' You need it to install new software

  20. Usefull linux commands

  21. and more...

  22. and even more...

  23. ...

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