ls
then enter. This lists all your files and folders in the current directory. cd
– changes directories (directories = folders). cd .
to go up a directory and cd FOLDERNAME
to go to a folder in the current directory.rm
– deletes files/folders.mkdir
– makes directories (folders).say 'Hello!'
– computer says ‘Hello!’more textFileName
– opens up a text file for viewing inside the command line/shell.*
– this star means “everything”.ls *
will display all folders and all files within those folders.?
– means any character. ??
means any two characters. So basically ls ??*
will only display files/folders that have filenames 2 or more characters long.alphabet and numbers
– typing in any letters or numbers means that files/folders must have those exact letters/numbers.ls *.jpg
– lists all files that are jpeg images (.jpg extension)ls a*
– lists files/folders starting with an “a”.ls *.*
– lists only files because folders don’t have a dot in their name.ls [a-z]
– lists only folders with a one character letter for their name.ls frame[0-9]
– lists any files/folders starting with “frame” and then any 1 number.