Function Toolbar Icon
Pull-down Menu Option Keystroke Option
Save or Commit   File/Save F10
Rollback   File/Rollback Shift + F7
Select   File/Select Shift + F3
Insert Record  
 Record/Insert F6
Delete Record   Record/Remove Shift + F6
Previous/Next Record   Record/Previous or Next
 Shift+Up and Shift+Down arrow
Previous/Next Block  
 Block/Previous or Next
 Ctrl + PageUp or PageDown
Enter Query   Query/Enter
  F7
Execute Query   Query/Execute
  F8
Cancel Query   Query/Cancel  
Print   File/Print
  Shift + F8
Exit   File/Exit  Ctrl + Q
Next Field
   Field/Next Tab
Previous Field
   Field/Previous Shift+ Tab
List of Variables
Help/List F9

To view more key strokes for INB

Click Help, at the top of the screen in the toolbar
Click Show Keys