rlogin: add page (#11458)

pages/linux/rlogin.md

@@ -0,0 +1,12 @@
+# rlogin
+
+> Log in to a remote host.
+> More information: <https://www.gnu.org/software/inetutils/manual/html_node/rlogin-invocation.html>.
+
+- Log in to a remote host:
+
+`rlogin {{remote_host}}`
+
+- Log in to a remote host with a specific username:
+
+`rlogin -l {{username}} {{remote_host}}`