you your samsung galaxy series phone (Galaxy ACE,Galaxy y ,Galaxy s2 ..etc)
Click Here to Know about What is rooting and all
First Of all Make all Back Up (like contacts and all)
There should me minimum 70-80% of battery charge left on your phone.
Now follow these easy steps.
1.Download the root package from here(multi root) and for galaxy ace place the file on your computer.
2.Then, connect the device with the PC by using its USB cable.
3.Copy the downloaded file from the computer to the phone’s SD card.
4.Remove the USB cord and turn off the phone.
5.Reboot by pressing the Volume UP Key, OK button and Power button together (till a small vibration).
5.From the menu that opens select “wipe data factory reset” and “wipe cache partition”.
6.Then, select “install zip from sd card” and “choose zip from sd card”.
7.Now, just pick the downloaded package from the SD card and flash the same.
8.The process will take a while so don’t worry, just wait until it’s completed.
9.In the end select “+++go back+++” and “reboot system now”.
10.Now, download the “Root Checker” app from Google Play and see if your Galaxy Y was rooted or not.
I believe that is very easy steps to follow even i have done rooting to galaxy y and galaxy ace successfully.
have fun enjoy next i will post how to install jelly bean or custom Rom in your galaxy phone.