We have compiled the most essential Linux commands into this convenient guide.
file – determine file type
find – search for files
gphoto2 – transfer pictures and videos from your digital camera to your computer
head – output the first part of files
import – capture a portion of the screen and output it as an image file
ldd – view dynamic library dependencies
lsof – list all open files
pdftotext – convert pdf to text
scp – secure copy (remote file copy program)
sudo – execute a command as another user
tail – output the last part of files
tar – file and directory archiving utility
top – display real-time process statistics
watch – keep track of program output over time