% pico -w filename
Cursor keys should work to move the cursor.
Type to insert text under the cursor.
The menu bar has ^X commands listed. This means hold down CTRL and press the letter involved, eg CTRL-W to search for text.
Follow the menu bar, if you are in the midst of a command. Use CTRL-X from the main menu.
Line wraps are automatically inserted unless the -w flag is given on the command line. This often causes problems when strings are wrapped in the middle of code and similar. \\ \hline
CTRL-G from the main menu, or just read the menu bar.