1Use this module to convert a username/groupname to a uid/gid number. 2 3Usage: 4 5``` 6npm install uid-number 7``` 8 9Then, in your node program: 10 11```javascript 12var uidNumber = require("uid-number") 13uidNumber("isaacs", function (er, uid, gid) { 14 // gid is null because we didn't ask for a group name 15 // uid === 24561 because that's my number. 16}) 17``` 18