diff --git a/bin/qemush b/bin/qemush
index d42e6b4..2a8f798 100755
--- a/bin/qemush
+++ b/bin/qemush
@@ -23,11 +23,14 @@ public_help() {
   name="$(basename "$0")"
   cat << EOF
 ${name}: usage:
-  ${name} start <VM name>  - start a VM
-  ${name} watch <VM name>  - attach VM screen session
-  ${name} active           - (default behaviour) list active VMs
-  ${name} list             - list available VMs
-  ${name} help             - show this help
+  ${name} start <VM name>             - start a VM
+  ${name} watch <VM name>             - attach VM screen session
+  ${name} active                      - (default behaviour) list active VMs
+  ${name} list                        - list available VMs
+  ${name} help                        - show this help
+  ${name} diskls                      - list available disk images
+  ${name} diskadd <disk name> <size>  - create a disk image
+  ${name} diskrm <disk name>          - delete disk image
 EOF
 }
 
@@ -57,6 +60,23 @@ public_list() {
   ls --color=auto bin
 }
 
+diskpath() {
+  printf 'images/%s.qcow2' "$1"
+}
+
+public_diskadd() {
+  qemu-img create -f qcow2 "$(diskpath "$1")" "$2"
+}
+
+public_diskrm() {
+  rm -vi -- "$(diskpath "$1")"
+}
+
+public_diskls() {
+  echo "Available disks:"
+  ls --color=auto images
+}
+
 function="$1"
 shift