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Resources |
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- Library Carpentry's UNIX shell reference.
- Software Carpentry's more detailed shell reference.
- Command line cheat sheet from Tower
This is a quick summary of the commands mentioned in this workshop by section.
| pwd | print working directory to find out where in the system you are |
| ls | view list of a file or directory |
| ls -l | view more detailed list of files or directory |
| ls -lh | view more detailed list and make numbers more human-readable |
| cd | navigate between directories |
| cd .. | go back one step while navigating between folders |
| cd - | jump back to previous directory however many steps ago it was |
| man | open a manual about a command |
| mkdir | create a directory | | touch | create a file | | nano | edit a text file through an editor within the shell | | mv | move a file to a different location or rename it which is a form of moving | | cp | copy a file or directory | | rm | remove a file or empty directory | | rm -r | remove recursively directory and all files and other directories in it | | cat | view contents of a file | | less | view contents but paginated (use q to quit) | | head | view the first ten lines of a file by default | | head -n15 | view the first 15 lines (or any other number indicated by the -n flag) | | tail | view the last ten lines of a file. Similar to head, the -n flag allows you to view more or less |
| echo | print string that is being passed as an argument to let us know what the status of the script is |