Print the number of observations in the data set, in BY groups, or both, and specify explanatory text to print with the number N= Suppress the column in the output that identifies each observation by ...

Specify the amount of memory to use for data summarization with class variables SUMSIZE= Control the classification levels Specify a secondary data set that contains the combinations of class ...

One of the best investments in time that a person with a keen interest in operating systems can make is to explore them from multiple angles. Operating system installation and configuration can go a ...

The /proc file system brings the processes on your Unix systems into view in some very useful ways, but only if you take the time to cd over to /proc and see all it can tell you. The /proc virtual ...