Input lines with history as their first command are not stored in the command history.
Examples:
history # show the complete history history 5 # show last 5 entries in the history history quiet 5 # show last 5 entries without entry numbers history "hist.gp" # write the complete history to file hist.gp history "hist.gp" append # append the complete history to file hist.gp history 10 "hist.gp" # write last 10 commands to file hist.gp history 10 "|head -5 >>diary.gp" # write 5 history commands using pipe history ?load # show all history entries starting with "load" history ?"set c" # like above, several words enclosed in quotes hist !"set xr" # like above, several words enclosed in quotes hist !55 # reexecute the command at history entry 55