When you try to redirect the standard output (stdout) to a file not having write (w) permissions, you often get this error: “Permission denied” $ echo “test” > a.txt -bash: a.txt: Permission denied Do the trick by using sudo tee:…
The disk dump, dd command is awesome. It can be used for creating backups, copying files, even for writting CDs or DVDs. In this article I will show you how to backup your MBR (Master Boot Record) with dd. So,…
dd, disk dump is an easy to use Unix and Linux tool, for creating backups, copying files, formating filesystems, creating ISO images , etc. In this article I will show you how to create a CD or DVD ISO image,…
Before you sell your hard disk, it is better to make sure that the data you had is unrecovable. In Linux and Unix Systems, making files unrecoverable is an easy thing to do. The following command replaces the data with…