Install mlocate sudo apt-get install mlocate sudo updatedb Then use locate my_filename.a  

Good Resources The Linux Command Line – free pdf book Get previously entered commands Use the up and down cursor keys. Issuing multiple commands in a single line If subsequent commands should only occur if the previous command succeeded use "&&": sudo ifdown eth0 && sudo ifup eth0 If subsequent commands should occur regardless of […]

After logging in as user pi, using this command give you root user privileges: sudo su Exiting root user mode Use the exit command: exit or su username: su pi sudo In GUI If you are developing programs which use the IO pin from the GUI you do not have to use "sudo startx" to […]

nano (Better than vi) sudo nano /etc/apache2/sites-enabled/000-default vi sudo vi /boot/cmdline.txt    

For the Debian installation at the command prompt enter: sudo shutdown "now" -r You can also use: sudo reboot The full file path for this command (if you needed it for specific uses) is: sudo /sbin/reboot    

Show processes ps -ef List processes ps ax List processes To kill a running program If you need to kill your program running in the background you can use this sudo killall my_project.a