Tags » File Permission

What is the difference between a soft link and a hard link?

In Linux, there are two types of links that can be put on a given file, a hard link and a soft link. When a file is created it actually is a pointer to an inode. 375 more words

Linux

Q97: Unix/Linux file permissions

Question #97: In linux, file permissions to any file can be of the following form:

(r w x) – (r w x) – (r w x) 121 more words

Operating Systems

ACL Steganography

This post concentrates on fairly recent and unique steganography technique developed by Michael Perklin. When I stumbled across Perklins Defcon presentation about this development project I was amazed by its simplicity, ingenuity and unique flair, therefore I decided to create this post to shed more light on the underlying technology of this steganography technique. 728 more words

Access Control Entry