Back to Top

security

Mastering The Linux Shell - Advanced Permissions

Apr 04, 2013 - Tags:

In my last article, I introduced the idea of permissions in the Linux world. Some users can read or write a file, while others can only read the same. A user may also belong to a group and share the permissions of that group which might also involve the ability to execute, or run a file as a program. Today, I'm going to continue on the subject of permissions but get into more detail, including some intense variations of basic permissions.

Mastering The Linux Shell - Getting Permission

Apr 01, 2013 - Tags:

Under Linux, access to files and directories is controlled by a system of permissions. Those permissions define who can see a file, whether they can modify it in any way, and in the case of some files, whether the commands within that file (or the file itself) can be executed. By executed, we mean "can we run that program?". Let's take a look at permissions and how you you can work with them.

Comments

Subscribe to security
The Original Cooking with Linux
 
Appearing monthly, 3rd Thursday, on Computer America
Appearing every 3rd Thurday of every month on the Computer America radio show.
  • We're doing a Clash Royale tournament. Come join.: https://t.co/WfaXVSMqmA via 16 hours 27 min ago
  • Take a look at my live stream: 'We're doing a Clash Royale tournament. Come join. ' at https://t.co/y7Kfj3LVnV 18 hours 24 min ago
  • So, they have this strange weird device to video observe you with. Not sure what it is; it's… https://t.co/CdZTKFPvDu 22 hours 12 min ago
  • RT : Googling anything about using a Raspberry Pi: First result: You can't do that because the Pi doesn't [something].… https://t.co/u9Ad66r2AM 1 day 51 min ago
  • I don't believe that laws ensure good behaviour, but they do guide and encourage good behaviour in society. The spe… https://t.co/5iEx9eb5o3 1 day 52 min ago