PS C:ProjectsTest> npm list --global --depth=0
C:UsersJanAppDataRoamingnpm
+-- @types/node@7.0.5
+-- tslint@4.4.2
`-- typescript@2.2.1

import fs = require("fs");
let text = fs.readFileSync("myFile.txt");
console.log(text);

PS C:ProjectsTest> tsc .test.ts
test.ts(1,21): error TS2307: Cannot find module 'fs'.