command-line.sh

pwd                      # print working directory
mkdir folder_name        # make directory
ls                       # list directory and file
cd folder_name           # changing directory
touch file_name          # create file
mv file_name file_name   # move file
cp file_name file_name   # copy file
rm file_name file_name   # remove file
clear                    # clear command line, ctrl-L
# up-arrow / down-arrow for history commands
# tab for auto-completion
# ctrl-C to stop execution