Merge pull request #375 from igorshubovych/w

w: add page

pages/common/w.md

@@ -0,0 +1,12 @@
+# w
+
+> Show who is logged on and what they are doing.
+> Print user login, TTY, remote host, login time, idle time, current process.
+
+- Show logged-in users info
+
+`w`
+
+- Show logged-in users info without a header
+
+`w -h`