vlock: add page (#17004)

pages/linux/vlock.md

@@ -0,0 +1,24 @@
+# vlock
+
+> Lock virtual console.
+> More information: <https://manned.org/vlock>.
+
+- Lock current virtual console session:
+
+`vlock`
+
+- Lock current virtual console session via flag:
+
+`vlock {{[-c|--current]}}`
+
+- Lock all virtual console sessions:
+
+`vlock {{[-a|--all]}}`
+
+- Show help:
+
+`vlock {{[-h|--help]}}`
+
+- Show version:
+
+`vlock {{[-v|--version]}}`