The magazine focuses primarily on UNIX-related issues.
It has an older sister magazine c't, which covers general "computer'technik".
External links
... the town the population is spread out with 24.7% under the age of 18, 7.4% from 18 to 24, 32.6% from 25 to 44, 23.2% from 45 to 64, and 12.2% who are 65 years of ag ...