Cisco Password Recovery on an IOS Switch

switch:

The system has been interrupted prior to initializing the flash filesystem. The following commands will initialize
the flash filesystem, and finish loading the operating
system software:

flash_init
load_helper
boot

switch: flash_init
switch: load_helper
switch: ren flash:config.text flash:config.old
switch: boot

Loading "flash:/c2950-i6q4l2-mz.121-11.EA1.bin"...
##################################################################

SWITCH BOOTS ...... etc.....etc

--- System Configuration Dialog ---

Would you like to enter the initial configuration dialog? [yes/no]: n
Switch>
Switch>en
Switch#
Switch#copy flash:config.old run
Destination filename [running-config]?
1391 bytes copied in 1.636 secs (1391 bytes/sec)
sw1#
sw1#config t
Enter configuration commands, one per line. End with CNTL/Z.
sw1(config)#enable password cisco
sw1(config)#int vlan 1
sw1(config-if)#no shut
sw1(config-if)#^Z
sw1#
00:02:03: %SYS-5-CONFIG_I: Configured from console by console
sw1#copy run start
Destination filename [startup-config]?
sw1#
sw1#reload
Proceed with reload? [confirm]

00:03:15: %SYS-5-RELOAD: Reload requested