C4ENG CLASS NOTES PAGE

cd - change directory
- cd tmp
~ - home directory
- cd ~
/ - root directory
- cd /
sudo - super user
- sudo shutdown -h now
ssh - secure shell to a remote machine
- ssh remoteMachine
- ssh remoteMachine@ipaddress
mkdir - makes a directory of your choice in current directory
- mkdir directoryName
rm - deletes argument file
- rm fileName
rmdir - deletes directory in argument with no files inside it
- rmdir directory name
touch - makes a file in the current directory with the name of your choice
- touch fileName
ls - shows files and directories within current directory
ls -l -shows files and directories within directory with shielding info
nano - a text editor
- nano fileName
scp - secure copy to or from a remote machine via local host or remote host
- scp fileName user@machine:
make - builds a program based on a make file
whoami - returns the current user

sudo shutdown -h now - shutdown Pi
gpio readall - displays the status of the General Purpose Input Output pins on the Pi
gpio mode pinNumber Status - sets the pin number to IN or OUT
gpio write pinNumber Status - sets the value of the pin number to 1(one) or 0(zero)