Commonly used shortcut keys for LINUX___

Under linux:
ctrl -c sends a SIGINT signal to all processes in the foreground process group. Often used to terminate a running program.
ctrl -z sends a SIGTSTP signal to all processes in the foreground process group, often used to suspend a process.
ctrl -d is not sending a signal, but a special binary value, which means EOF.
ctrl -/ Send a SIGQUIT signal to all processes in the foreground process group, terminate the foreground process and generate a core file.

Key Function 
Ctrl -c Kill foreground process 
Ctrl -z Suspend foreground process 
Ctrl -d Terminate input, or exit shell 
Ctrl -s Suspend output 
Ctrl -q Resume output 
Ctrl -o Discard output 
Ctrl -l Clear screen