Oracle Database Discussions

hi all,
i'm usin oracle 9i in rhel4.. in my test env.. i have a f1eo database..i was wokin in that .. unfortunately i deleted all my control files.. but the database was workin.. i gave the following command..
alter system switch logfile;
it does not show any err..i shut the database, but when i restart the db next day it shows cntrlfile missing.. luckily the deleted cntrl files was in my recyclebin.. i just restored it and opened the database.. the db was perfect.. what abt th result of the cmd i gave before the db shut.. what happen to the cntrl file.. where the information abt logswitch have been updated...

note - i don't have any multiplixed or controlfile trace.. as it was test Db there was no issue.. but i want to know what happen really..

thnx in advance,
regards,
Deepak...