title: Why VIRT is not zero when swap is off in Linux top command?
body: <p>I think that Virtual Memory is used through SWAP. But Why VIRT is not zero when swap is off in Linux top command?
  <a href="https://i.stack.imgur.com/18eU4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/18eU4.png" alt="enter image description here" /></a></p>