Deleting a file differs between Operating Systems.
One can use the delete key on the keyboard.
In GUI-based Operating Systems one can use the delete menu item, delete button, delete icon. One can also drag-and-drop or move files to the delete or trash folder.
Text-based commands also exist that also delete files. Text-based commands can be added to scripts or batch files.
There are also utilities that securely deletes files by overwriting them several times before deletion.
Use ErAce from erace.it
The way a hard drive is formatted affects the largest file it can store. The file size limit of FAT32 formatted hard drive is 4GB, to increase this you would need to format your hard drive and make it use NTFS. Formatting a hard drive erase all the information on the hard drive! There are ways to avoid this, but I suggest you either get a new hard drive or get somebody to format part of your hard drive for you unlesss you know what you are doing Open an administrator command prompt and type convert x: /fs:ntfs where x: is the drive letter of your USB drive typ convert /? from more information
To completely erase the data on the hard drive.
Yes, Surely it will remove everything on hard drive. Formatting a hard drive means to remove everything on hard drive. If you are formatting only a specific drive like C:\ or D:\ then the data in only that drive will be removed.
To completely erase the information on your hard drive, you can try a third-party tool like iReaShare Data Wipe, which can completely erase your files, folders, hard drives, and external devices on a PC.
Use ErAce from erace.it
Reinstalling Windows will not erase the hard drive unless you tell it to reformat the hard drive before reinstalling the operating system. You will have to reinstall all your programs that were installed prior to reinstall but all your saved files will still be there.
It can erase your hard drive!They can delete your files.
You can use over write programm like ErAce form erace.it
Degausser
The most conventional way is to get a giant magnet, and slide it across your hard drive atleast 7 times. WARNING: Only do this if you truly want to destroy/erase it.
dd if=/dev/zero of=/dev/hdxSubstitute the appropriate drive letter for x. Be very careful that you do not erase the wrong hard drive.