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 ...

If you have any experience with the Linux command line, you’ve probably used a pipe to solve tasks by combining simple ...

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 ...

An access descriptor contains information about the SYSTEM 2000 database you want to use. The information includes the database name, the item names, and their item types. You use the access ...

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 ...