C programming Short cut keys

Short cut keys for C:   To compile the C program we are using------>Ctrl+F9

                                 To run the C program using we are using------>Alt+F9

To edit the program need to use these methods:                             

                                   Ctrl+A : Selects all brushes and entities in the level

                                   Ctrl+D : Deselect all selected brushes and entities

To using File Operations: 

                                   Ctrl+N : Create a new file  

                                  Ctrl+O : Open an existing file
                                  Ctrl+S : Save file

To using commands and command lines: 

                          F1 : Help
                          Left arrow : Select previous face or brush
                          Right arrow : Select next face or brush
                          F6 : Go to next pane
                          Shift+F6 : Go to previous pane
                          Keypad + : Zoom in
                          Keypad - : Zoom out
                          X : Lock X axis
                          Y : Lock Y axis
                          Z : Lock Z axis
                          Enter : Add template brush/entity to level
                          N : Make current brush newest
                          Page Down : Toggle between brush mode and face mode