Added sheets for emacs and gpg

cheatsheets/emacs

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+# Basic usage
+
+  Indent              Select text then press TAB
+  Cut                 CTRL-w
+  Copy                ALT-w
+  Paste               CTRL-y
+  Search/Find         CTRL-s
+  Replace             ALT-% (ALT-SHIFT-5)
+  Save                CTRL-x CTRL-s
+  Load/Open           CTRL-x CTRL-f
+  Undo                CTRL-x u
+  Highlight all text  CTRL-x h
+  Directory listing   CTRL-x d
+  Cancel a command    ESC ESC ESC
+  Font size bigger    CTRL-x CTRL-+
+  Font size smaller   CTRL-x CTRL--
+
+#  Buffers
+
+  Split screen vertically                         CTRL-x 2
+  Split screen vertically with 5 row height       CTRL-u 5 CTRL-x 2
+  Split screen horizontally                       CTRL-x 3
+  Split screen horizontally with 24 column width  CTRL-u 24 CTRL-x 3
+  Revert to single screen                         CTRL-x 1
+  Hide the current screen                         CTRL-x 0
+  Kill the current screen                         CTRL-x k
+  Move to the next buffer                         CTRL-x O
+  Select a buffer                                 CTRL-x b
+  Run command in the scratch buffer               CTRL-x CTRL-e
+
+# Other stuff
+
+  Open a shell         ALT-x eshell
+  Goto a line number   ALT-x goto-line
+  Word wrap            ALT-x toggle-word-wrap
+  Spell checking       ALT-x flyspell-mode
+  Line numbers         ALT-x linum-mode
+  Toggle line wrap     ALT-x visual-line-mode
+  Compile some code    ALT-x compile
+  List packages        ALT-x package-list-packages
+
+#  Sudoing within eshell
+
+  By default when using the sudo command within eshell you'll just
+  get "permission denied" messages. To overcome that type:
+
+    alias sudo '*sudo $*'
+
+# Line numbers
+
+  To add line numbers and enable moving to a line with CTRL-l:
+
+    (global-set-key "\C-l" 'goto-line)
+    (add-hook 'find-file-hook (lambda () (linum-mode 1)))
+
+# Org-mode
+
+  To begin org-mode                            ALT-x org-mode
+  Table column separator                       Vertical/pipe character
+  Reorganize table                             TAB
+  Section heading                              *
+  Open/collapse section                        TAB
+  Open/collapse All                            CTRL-TAB
+  Export in other file formats (eg HTML,PDF)   CTRL-c CTRL-e
+
+  To make org-mode automatically wrap lines:
+
+    (add-hook 'org-mode-hook
+              '(lambda ()
+                 (visual-line-mode 1)))