Whenever you pull out your USB Stick it will show you a warning about safely removing the drive. Do you ever wonder why you receive this warning? Computer use something called write caching to improve performance. While the file transfer may say it has completed, there’s many times it actually hasn’t finalised. Confused? Sometimes while copying files to a drive, it waits for a few other tasks to complete even after the given task displays the file transfer completed. When you safely remove your USB drive it finishes all tasks before you pull out the device. It’s always advisable to click safetly remove USB device for pen drive so that you avoid unnecessary loss of important data and files and corruption of projects.