note 36776 added to function.ini-set

Hi I need to edit my php.ini file. I tried to do this through ftp but no go. I am really desperate. How do I do it through putty. Ie I log in su to root NOW WHAT? Please give me step by step instructions including how to save and make my changes. I need to do the following I need to change my php ini file as follows ; Maximum allowed size for uploaded files. upload_max_filesize = 2M Chance It To ; Maximum allowed size for uploaded files. upload_max_filesize = 999999999999999999999M Please Help me I am so desperate. :( ---- Manual Page -- http://www.php.net/manual/en/function.ini-set.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+36776 Delete -- http://master.php.net/manage/user-notes.php?action=delete+36776&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+36776&report=yes Search -- http://master.php.net/manage/user-notes.php