Bash Cheatsheet
- to tell how much memory is left on SD card (RasPi):
df -h /dev/rootordf -h - free memory:
free -m - restart your shell:
$ exec -l $SHELL - sudo previous command:
$ sudo !! - copy directories:
cp -R <sourcedir> <destdir> - rename folder:
mv /home/user/oldname /home/user/newname - see java folder path:
whereis java