Run Num Lock key on startup:

1- First you need to download the script that will run num lock.
Code:
sudo apt-get install numlockx
2-
Code:
gksu gedit /etc/gdm/Init/Default
3- add this statment to the file beginning.
Code:
 if [ -x /usr/bin/numlockx ]; then
/usr/bin/numlockx on
fi
4- done do a restart to check it.



Add time & date to history command :

1- open the bashrc file:
Code:
gedit $HOME/.bashrc
2- in the eof add this line
Code:
export HISTTIMEFORMAT="%h/%d - %H:%M:%S "
3- done (but to may need to logout & in )


Source