How can I log the stdout of a process started by start-stop-daemon??

I am using an init script to run a simple process, which is started with: start-stop-daemon --start --quiet --chuid...

What does it mean to write to stdout in C??

Does a program that writes to "stdout" write to a file? the screen? I don't understand what it means to write to s...

How can I run an external command and capture its output in Perl??

I'm new to Perl and want to know of a way to run an external command (call it prg) in the following scenarios: Run...

Scanf/Printf double variable C?

Let's say I have this following bit of code in C: double var; scanf("%lf", &var); printf("%lf", var); printf("%...