diff --git a/.cheat/asterisk b/.cheat/asterisk
new file mode 100644
index 0000000..f0cf107
--- /dev/null
+++ b/.cheat/asterisk
@@ -0,0 +1,17 @@
+To connect to a running Asterisk session:
+asterisk -rvvv
+
+To issue a command to Asterisk from the shell:
+asterisk -rx "<command>"
+
+To originate an echo call from a SIP trunk on an Asterisk server, to a specified number:
+asterisk -rx "channel originate SIP/<trunk>/<number> application echo"
+
+To print out the details of SIP accounts:
+asterisk -rx "sip show peers"
+
+To print out the passwords of SIP accounts:
+asterisk -rx "sip show users"
+
+To print out the current active channels:
+asterisk -rx "core show channels"
diff --git a/.cheat/tar b/.cheat/tar
index 54882b4..a0f7a41 100644
--- a/.cheat/tar
+++ b/.cheat/tar
@@ -1,6 +1,9 @@
 To extract an uncompressed archive: 
 tar -xvf /path/to/foo.tar
 
+To create an uncompressed archive: 
+tar -cvf /path/to/foo.tar /path/to/foo/
+
 To extract a .gz archive:
 tar -xzvf /path/to/foo.tgz