When running NCL interactively at the command line, certain keys can be used to navigate through and edit the 25 most recent commands. The following is a list of the key sequences and what they do.
The following control characters are accepted: ^A Move to the beginning of the line ^B Move left (backward) [n] ^D Delete character [n] ^E Move to end of line ^F Move right (forward) [n] ^G Ring the bell ^H Delete character before cursor (backspace key) [n] ^I Complete filename (tab key); see below ^J Done with line (return key) ^K Kill to end of line (or column [n]) ^L Redisplay line ^M Done with line (alternate return key) ^N Get next line from history [n] ^P Get previous line from history [n] ^R Search backward (forward if [n]) through history for text; must start line if text begins with an up arrow ^T Transpose characters ^V Insert next character, even if it is an edit command ^W Wipe to the mark ^X^X Exchange current location and mark ^Y Yank back last killed text ^[ Start an escape sequence (escape key) ^]c Move forward to next character ``c'' ^? Delete character before cursor (delete key) [n] The following escape sequences are provided. ESC ^H Delete previous word (backspace key) [n] ESC DEL Delete previous word (delete key) [n] ESC SP Set the mark (space key); see ^X^X and ^Y above ESC . Get the last (or [n]'th) word from previous line ESC ? Show possible completions; see below ESC < Move to start of history ESC > Move to end of history ESC b Move backward a word [n] ESC d Delete word under cursor [n] ESC f Move forward a word [n] ESC l Make word lowercase [n] ESC u Make word uppercase [n] ESC y Yank back last killed text ESC v Show library version ESC w Make area up to mark yankable ESC nn Set repeat count to the number nn ESC C Read from environment variable ``_C_'', where C is an uppercase letter
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