Archive for November, 2008
User and Account in the *nix
During this often happens *nix beginners learn the basic concept without knowing it, you try to ask what the definition of user accounts and Unix to the people that you can consider using Linux / Unix, of course he can not answer it. Sometimes because they do not understand this basic concept, someone who wants [...]
Brief File & Folder Permission on *nix
File and folder permissions in *nix meaning slightly different, although the notation and writing it could same.
Folders
read (r) = user is allowed to see files that are inside, for example by typing ls to view the contents of the folder
write (w) = allowed users to create a new file in the folder, sometimes this also [...]
File and Folder Permission on *nix
It is not a secret anymore if *nix such as Linux and BSD far more resistant to interference the virus than windows. One of the causes *nix more able to survive attacks from viruses is the File and Folder permissions are more complete and strict.
But sometimes for beginners, barely a file and folder permissions in [...]
World University Rank
Discover the brand new THES - QS World University Rankings. How do they compare to last year’s rankings? And who is number one? Click the institute names to be directed to the profile of the chosen university.
Rank
School Name
Country
1
HARVARD University
United States
2=
University of CAMBRIDGE
United Kingdom
2=
YALE University
United States
2=
University of OXFORD
United Kingdom
5
Imperial College LONDON
United Kingdom
6
PRINCETON University
United States
7=
CALIFORNIA Institute of [...]
To Know Wi-Fi
Wi-Fi is designed based on the IEEE 802.11 specification. Currently there are four variations of 802.11, namely: 802.11a, 802.11b, 802.11g and 802.11n. B product specification is the first Wi-Fi. Variations g and n is one product that has the most sales in 2005.
Specifications Speed Frequency Band Matches with
802.11b 11 Mb / s 2.4 GHz b
802.11a [...]