Make a file unrecoverable
You have a file "test".The following command makes it so no one can read it.If the file was 12 bytes, it's now 4096 after it has been over written 100 times. There's no way to recover this.
$ shred -n 100 -z test
Want to remove the file? Use the "u" option.
$ shred -n 100 -z -u test
It can be applied to a device also
For more pls visit
- March 2015 Issue of Linux Journal: System Administration
- High-Availability Storage with HA-LVM
- DNSMasq, the Pint-Sized Super Dæmon!
- Localhost DNS Cache
- Real-Time Rogue Wireless Access Point Detection with the Raspberry Pi
- Days Between Dates: the Counting
- You're the Boss with UBOS
- The Usability of GNOME
- Multitenant Sites
- Linux for Astronomers