Google Android "restore deleted text messages" Questions

...text messages on my g1 and my phone is runnng slow i tried to delete the whole thread and give it time but it never worked so i guess my last resort to factory reset it.will it dlelete everything ...

...messages, or turns command echoing on or off. ENDLOCAL Ends localization of environment changes in a batch file. ERASE Deletes one or more files. EXIT Quits the CMD.EXE program (command interpreter). ...

MY GRANDDAUGHTERS COMPUTER WILL NOT BOOT, MESS. A DISK READ ERROR OCCURRED, PRESS CTRL+AL+DEL TO RESTART, WHICH OF COURSE TAKES ME BACK TO THE ERR0R MESSAGE. IT IS AN ACER WITH WINDOWS 7 , WHICH CAME ...