shred - overwrite a file to hide its contents, and optionally delete it

syntax

$ shred [filename]

$ shred sample.txt

To designate number of times to overwrite a file

$ shred -n 2 example.txt

To overwrite and delete a file

$ shred -uv sample1.txt

To selectively overwrite bytes of text

$ shred -s [number_of_bytes] [filename]

$ shred -s 10 password.txt

To run shred with verbose mode

$ shred -v file.txt

To change permissions to allow writing if necessary

$ shred -f [filename]

$ shred -f file.txt

To hide shredding from the file system.

$ shred -z filename

$ shred -z file.txt

To Display shred Basic Details and Version and help options

$ shred --version

$ shred --help

regards,

T.Dhanasekar