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Basic C/Unix Programming for Biologists: SSH Secure Shell Tutorial

This lecture covers fundamental C/Unix programming concepts using SSH Secure Shell Client. Learn to connect, list, manipulate files/directories, use commands, and leverage helpful tricks in Mac/Linux environments. Remember: Don't try risky commands like rm -rf at home! Use Tab for autocomplete, history for old commands, and piping efficiently. Save and exit programs using CtrlX and CtrlC. Take advantage of Emacs for text editing and download files with wget.

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Basic C/Unix Programming for Biologists: SSH Secure Shell Tutorial

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  1. Lecture 1: Basic C/Unix Programmin' for Biologists

  2. Windows: SSH Secure Shell http://artsci.wustl.edu/utilities/sshsecureshellclient-3.2.9.exe “Quick Connect” - hostname: warlord.wustl.edu Mac/Linux: Terminal, ssh ssh username@warlord.wustl.edu Connecting to Computers

  3. ls /home ls -l ls -lS /home ls *.h LS? Listing Files

  4. man ls man <command> <command> --help Help

  5. Directory = Folder cd cd foldername cd ~ pwd mkdir foldername Change DirectoryPrint Working Directoryand Make Directory

  6. ./ = current directory ../ = parent directory file.h = file type marker .file = “hidden file” cd . cd .. ls -a Meanings of Dot

  7. cp source folder cp source newname mv source folder mv source newname rm file rmdir folder rm -rf folder Copy/Move/Remove

  8. DON'T TRY THIS AT HOME mv junk hw6.c rm * rm *.o rm -rf / Caution

  9. Autocomplete using TAB ls /home/d[TAB] mkd[TAB] Old Commands up arrow history !1040 !ls Useful Tricks

  10. ls > listing wc < listing ls | wc Piping

  11. To open a file, hold down CtrlX then CtrlF. Then type the name of the file, and hit enter. To save the file, hit CtrlX then CtrlS. Use CtrlZ to send the program to the background. Type fg to bring it back up. To exit the program, hit CtrlX then CtrlC. Emacs – text editing

  12. Copy: Highlight Paste: Middle Mouse Button or Ctrl-Insert Copy And Paste

  13. wget http://www... Internet

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