Function keys provided by Doskey
F7: list the command history
F8: show the previous command
F9: show "Line number". Based on the history commands and their numbers listed by F7, the user fills in the corresponding number, then presses Enter twice to execute the corresponding command
pPageUp: show the topmost command
PageDown: show the bottommost command
ESC: clear the displayed command
Alt+F7: clear all commands stored in memory
↑: show the previous command
↓: show the next command
F7: list the command history
F8: show the previous command
F9: show "Line number". Based on the history commands and their numbers listed by F7, the user fills in the corresponding number, then presses Enter twice to execute the corresponding command
pPageUp: show the topmost command
PageDown: show the bottommost command
ESC: clear the displayed command
Alt+F7: clear all commands stored in memory
↑: show the previous command
↓: show the next command

