5-27 delete startup.cfgDelete flash:/startup.cfg?[Y/N]:y%Delete file flash:/startup.cfg...Done.Now, the file test.txt is moved to the recycle bin. If you want to restore the file, you can use the undeletecommand.# Restore the file test.txt from the recycle bin. undelete test.txtUndelete flash:/test.txt? [Y/N]:y% Undeleted file flash:/test.txt.For details about the delete and undelete commands, refer to H3C S3600 Series EPON OLT SwitchesCommand Manual.Backing Up and Restoring BootWareYou can back up and restore BootWare on the BootWare operation sub-menu.Select 7 on the main menu to enter the BootWare operation sub-menu. Refer to BootWare OperationSub-menu on page 5-8 for details.Backing Up the Entire BootWareTo back up the entire BootWare, you need to back up the basic segment and then the extendedsegment of the BootWare.Select 1 on the BootWare operation sub-menu, and the system prompts:Will you backup the Basic BootWare? [Y/N]Enter Y:Begin to backup the Basic BootWare....................Done!At this moment, backup for the basic segment is finished.The system continues to prompt:Will you backup the Extend BootWare? [Y/N]Enter Y:Begin to backup the Extend BootWare.................. Done!.At this moment, backup for the extended segment is finished.Both the basic and extended segments of the BootWare are backed up to the Flash.