Document a full list of commands

README.md

@@ -40,6 +40,48 @@ irb(main):006:1> end
 
 The Readline extension module can be used with irb. Use of Readline is default if it's installed.
 
+## Commands
+
+The following commands are available on IRB.
+
+* `cwws`
+  * Show the current workspace.
+* `cb`, `cws`, `chws`
+  * Change the current workspace to an object.
+* `bindings`, `workspaces`
+  * Show workspaces.
+* `pushb`, `pushws`
+  * Push an object to the workspace stack.
+* `popb`, `popws`
+  * Pop a workspace from the workspace stack.
+* `load`
+  * Load a Ruby file.
+* `require`
+  * Require a Ruby file.
+* `source`
+  * Loads a given file in the current session.
+* `irb`
+  * Start a child IRB.
+* `jobs`
+  * List of current sessions.
+* `fg`
+  * Switches to the session of the given number.
+* `kill`
+  * Kills the session with the given number.
+* `help`
+  * Enter the mode to look up RI documents.
+* `irb_info`
+  * Show information about IRB.
+* `ls`
+  * Show methods, constants, and variables.
+    `-g [query]` or `-G [query]` allows you to filter out the output.
+* `measure`
+  * `measure` enables the mode to measure processing time. `measure :off` disables it.
+* `$`, `show_source`
+  * Show the source code of a given method or constant.
+* `@`, `whereami`
+  * Show the source code around binding.irb again.
+
 ## Documentation
 
 https://docs.ruby-lang.org/en/master/IRB.html

lib/irb.rb

@@ -53,6 +53,48 @@
 #
 #   :include: ./irb/lc/help-message
 #
+# == Commands
+#
+# The following commands are available on IRB.
+#
+# * cwws
+#   * Show the current workspace.
+# * cb, cws, chws
+#   * Change the current workspace to an object.
+# * bindings, workspaces
+#   * Show workspaces.
+# * pushb, pushws
+#   * Push an object to the workspace stack.
+# * popb, popws
+#   * Pop a workspace from the workspace stack.
+# * load
+#   * Load a Ruby file.
+# * require
+#   * Require a Ruby file.
+# * source
+#   * Loads a given file in the current session.
+# * irb
+#   * Start a child IRB.
+# * jobs
+#   * List of current sessions.
+# * fg
+#   * Switches to the session of the given number.
+# * kill
+#   * Kills the session with the given number.
+# * help
+#   * Enter the mode to look up RI documents.
+# * irb_info
+#   * Show information about IRB.
+# * ls
+#   * Show methods, constants, and variables.
+#     -g [query] or -G [query] allows you to filter out the output.
+# * measure
+#   * measure enables the mode to measure processing time. measure :off disables it.
+# * $, show_source
+#   * Show the source code of a given method or constant.
+# * @, whereami
+#   * Show the source code around binding.irb again.
+#
 # == Configuration
 #
 # IRB reads a personal initialization file when it's invoked.