SAS/ACCESS software uses SAS/ACCESS descriptor files to establish a connection between the SAS System and ADABAS. You create these files with the ACCESS procedure. There are two types of SAS/ACCESS ...

When you update an access descriptor, the view descriptors based on this access descriptor are not updated automatically. You must re-create or update any view descriptors that you want to reflect the ...

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...

Last week’s column looked at how we can read from and write to files by associated the files with user-defined file descriptors. This week, we take this idea a bit further. Closing File Descriptors In ...

On *nix systems, file descriptors are a number that are given to files that have a stream attached to them. C can directly read and write from file descriptors using the read() command that takes a ...

Looks simple enough; you would think there is not much overhead with only those two system calls. In reality, this couldn't be further from the truth. Behind those two calls, the data has been copied ...