diff --git a/change-tutorial.sh b/change-tutorial.sh
deleted file mode 100644
index 05a7907..0000000
--- a/change-tutorial.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/bash
-
diff --git a/com.ksh b/com.ksh
index d5a3003..7989464 100755
--- a/com.ksh
+++ b/com.ksh
@@ -21,6 +21,6 @@
 host=tty.sdf.org
 user=scm
 
-mosh scm@$host com
+mosh scm@$host
 
 exit 0
diff --git a/irc.ksh b/irc.ksh
index d704606..4a7a303 100755
--- a/irc.ksh
+++ b/irc.ksh
@@ -1,8 +1,7 @@
 #!/bin/ksh
 
 # irc.ksh
-# This script starts a remote shell on the SDF cluster show that an IRC session
-# can be resumed
+# This script recovers a screen IRC session on the cluster at SDF
 # Copyright (C) 2022  Scott C. MacCallum
 # scm@sdf.org
 
@@ -19,7 +18,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-host=sdf.org
+host=tty.sdf.org
 user=scm
 
 mosh scm@$host
diff --git a/attach-irc.ksh b/server/attach-irc.ksh
similarity index 100%
rename from attach-irc.ksh
rename to server/attach-irc.ksh
diff --git a/detach.ksh b/server/detach.ksh
similarity index 100%
rename from detach.ksh
rename to server/detach.ksh
diff --git a/server/irc.ksh b/server/irc.ksh
new file mode 100755
index 0000000..bf39002
--- /dev/null
+++ b/server/irc.ksh
@@ -0,0 +1,27 @@
+#!/bin/ksh
+
+# irc.ksh
+# This script starts a remote shell on the SDF cluster show that an IRC session
+# can be resumed
+# Copyright (C) 2022  Scott C. MacCallum
+# scm@sdf.org
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+host=tty.sdf.org
+user=scm
+
+mosh scm@$host
+
+exit 0
diff --git a/reattach.ksh b/server/reattach.ksh
similarity index 100%
rename from reattach.ksh
rename to server/reattach.ksh
diff --git a/start-irc.ksh b/server/start-irc.ksh
similarity index 100%
rename from start-irc.ksh
rename to server/start-irc.ksh