This week, I will show how to truncate files using the truncate() and ftruncate() syscalls. The file system automatically expands a file’s size as more data is appended to it; however, it has no way ...

<br><br>In the example above, tail will allocate as much memory as it requires (or is available) to parse the contents of file, and then pass that as the input to head. The only time a file is written ...