stsadm command for backup and restore

C:\Program Files>
C:\Program Files>cd "Common Files"

C:\Program Files\Common Files>cd "Microsoft Shared"

C:\Program Files\Common Files\Microsoft Shared>cd "web server extensions"

C:\Program Files\Common Files\Microsoft Shared\web server extensions>cd 12

C:\Program Files\Common Files\Microsoft Shared\web server extensions\12>cd bin

[Backup]
C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN>stsa
dm -o backup -url "http://sgvm03-sgesx01.sg.dupont.com:22222/" -filename C:\Late
stBackUp\Latestbackup

Operation completed successfully.
[Restore]
C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN>stsa
dm -o restore -url "http://dhts1:22222/" -filename C:\LatestBackUp\Latestbackup

Operation completed successfully.

[Export]

C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN>stsa
dm -o export -url "http://sgvm03-sgesx01.sg.dupont.com:55555/teamroom" -filenam
e "c:\export" -includeusersecurity

[Import]
c:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN>stsa
m -o import -filename "c:\export.cmp" -url "http://dhts1:55555/teamroomNew"