sensible-editor: add page (#3009)

pages/linux/sensible-editor.md

@@ -0,0 +1,19 @@
+# sensible-editor
+
+> Open the default editor.
+
+- Open a file in the default editor:
+
+`sensible-editor {{file}}`
+
+- Open a file in the default editor, with the cursor at the end of the file:
+
+`sensible-editor + {{file}}`
+
+- Open a file in the default editor, with the cursor at the beginning of line 10:
+
+`sensible-editor +10 {{file}}`
+
+- Open 3 files in vertically splitted editor windows at the same time:
+
+`sensible-editor -O3 {{file_1}} {{file_2}} {{file_3}}`