For web and system administration tasks, sure. For anything where performance is an issue, you simply won't be using an interpreted language. C is by no means

For web and system administration tasks, sure. For anything where performance is an issue, you simply won't be using an interpreted language. C is by no means my go-to language for personal projects, but there's still a helluva lot of software out there that it would be folly to write in anything but.