In a GNU/Linux system every file or folder has some access permissions. There are three types of permissions (what allowed to do with a file of any kind, directory included): (r)read access (w)write access (e)execute access There are also other “special” permissions, but for this article the basic permissions will be enough to illustrate how [...]
This is an easy and simple solution based on the article by Umair, first posted on http://www.noobslab.com.
it’s common that, if not you, one of your familiar or friends forget his login password, and if this is the only account available on the system this means that he’s usually locked out from his computer, luckily this is not a big issue if you have physical access to the console of a Linux system, as we can use the recovery mode available from the grub menu of most distributions (if not all).
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