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Quick Guide with Linux Command Line

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Anuchit Chalothorn
Anuchit Chalothorn

This document provides a quick guide to the Linux command line. It introduces Linux and the shell, and explains why the command line is useful even with graphical user interfaces. It then covers basic commands for file management, processes, archives, and input/output redirection. Finally, it briefly mentions some simple text editors and hints at using more advanced shell scripting.

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Quick Guide Linux Command Line Anuchit Chalothorn
About ● Senior Software Engineer @ SIPA ● Fedora Ambassador @ Fedora Project ● Ubuntu LocoTeam @ Ubuntu Club
Linux? ● Operating System ● “Linux” = Linux kernel ● Linus Torvalds develop Linux kernel ● More than 10,000 developers around the world ● Release under GNU/GPL Version 2.0
Why command line ? Hardware Kernel Shell
Shell chabu@pirate:~$ root@pirate:~# ** file and directory is case sensitive **
Basic Command $command <option> Eg: ls -la ** use TAB to complete command **
Basic Command ● whoami show who you are ● ls list file & directory ● cp copy file
Basic Command ● cd change to $HOME directory ● cd somedir change to somedir ● pwd show current directory
Basic Command ● mv move or rename file & directory ● touch filename create blank file ● cat filename view content in file
Basic Command ● ps list the process ● pstree list the process as tree ● cat filename view content in file
Basic Command ● tar myfile.tar myfile create archive file .tar ● gzip myfile create archive file .gz ● tar zxvf myfile.tar.gz myfile create archive in tar then gzip
Pipe and Direction ● Pipe | combined shell command ● Direction >,<, >> sent out put, sent input ● Step Command line ; run more command in 1 line
Pipe & Direction ● ls -la | more list all file in current directory with page break ● ls -la > mylistfile.txt list all fire in current directory and save the result to mylistfile.txt ● cat mylistfile.txt > mylistfile2.txt list content and sent to mylistfile2.txt
Pipe & Direction ● touch mylistfile3.txt ● echo “Hello World” > mylistfile3.txt ● echo “My name is Anuchit.ch” >> mylisyfile3.txt
Editor in Command Line ● vim or vi ● pico ● nano ● mcedit
Advance Command Line Combine shell script with basic command or shell programming...
Q&A
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Quick Guide with Linux Command Line

  • 1. Quick Guide Linux Command Line Anuchit Chalothorn
  • 2. About ● Senior Software Engineer @ SIPA ● Fedora Ambassador @ Fedora Project ● Ubuntu LocoTeam @ Ubuntu Club
  • 3. Linux? ● Operating System ● “Linux” = Linux kernel ● Linus Torvalds develop Linux kernel ● More than 10,000 developers around the world ● Release under GNU/GPL Version 2.0
  • 4. Why command line ? Hardware Kernel Shell
  • 5. Shell chabu@pirate:~$ root@pirate:~# ** file and directory is case sensitive **
  • 6. Basic Command $command <option> Eg: ls -la ** use TAB to complete command **
  • 7. Basic Command ● whoami show who you are ● ls list file & directory ● cp copy file
  • 8. Basic Command ● cd change to $HOME directory ● cd somedir change to somedir ● pwd show current directory
  • 9. Basic Command ● mv move or rename file & directory ● touch filename create blank file ● cat filename view content in file
  • 10. Basic Command ● ps list the process ● pstree list the process as tree ● cat filename view content in file
  • 11. Basic Command ● tar myfile.tar myfile create archive file .tar ● gzip myfile create archive file .gz ● tar zxvf myfile.tar.gz myfile create archive in tar then gzip
  • 12. Pipe and Direction ● Pipe | combined shell command ● Direction >,<, >> sent out put, sent input ● Step Command line ; run more command in 1 line
  • 13. Pipe & Direction ● ls -la | more list all file in current directory with page break ● ls -la > mylistfile.txt list all fire in current directory and save the result to mylistfile.txt ● cat mylistfile.txt > mylistfile2.txt list content and sent to mylistfile2.txt
  • 14. Pipe & Direction ● touch mylistfile3.txt ● echo “Hello World” > mylistfile3.txt ● echo “My name is Anuchit.ch” >> mylisyfile3.txt
  • 15. Editor in Command Line ● vim or vi ● pico ● nano ● mcedit
  • 16. Advance Command Line Combine shell script with basic command or shell programming...
  • 17. Q&A