linux

linux command.png

linux command

1. pwd: print working directory
2. mkdir: make directory
   mkdir project # store bioinformatics project
3. ls: list either files or content
4. rm: remove
5. cd: enter this content cd -: return to previous content
6. vi: create new text file
   vi new_file.txt # press i, then type text, then press Esc,
   :x # save and exit
7. cat new_file.txt: show file.
   head # show first 10 row. tail #show last 10 row.
   head -3 # show first 3 row.
8. cp: copy file
   cp new_file.txt second_file.txt #copy new_file.txt and save as second_file.txt
9. mv: move file to folder, or rename
   mv second_file.txt project # move second_file.txt to project
   mv second_file.txt home.txt # rename to home.txt