================================================================= = CHAPTER 1 RECAP =

• Use the h,j,k,l keys to move the cursor.

• Type : to enter Command mode.

  • The q / quit and q! / quit! commands will exit Helix. The former fails when there are unsaved changes. The latter discards them.
  • The w / write command will save the file.
  • The wq / write-quit command will do both.

• Type d to delete the character at the cursor.

• Type i to enter Insert mode and type text. Press Escape to return to Normal mode.

================================================================= = CHAPTER 2 RECAP =

• Type a to append to the selection.

• Type I to enter Insert mode at the first non-whitespace character at the start of a line.

• Type A to enter Insert mode at the end of a line.

• Use o and O to open lines below and above the cursor respectively.

================================================================= = CHAPTER 3 RECAP =

• Type w to select forward until the next word.

  • Type e to select to the end of the current word.
  • Type b to select backward to the start of the current word.
  • Use uppercase counterparts, W,E,B, to traverse WORDS.

• Type d to delete the entire selection.

  • Type c to delete the selection and enter Insert mode.

• Type a number before a motion to repeat it that many times.

• Type v to enter Select mode, where all motions extend the selection.

• Type x to select the entire current line. Type x again to select the next line.

• Type semicolon ( ; ) to collapse selection.

================================================================= = CHAPTER 4 RECAP =

• Type u to undo. Type U to redo.

• Type y to yank (copy) text and p to paste.

  • Use Space + y and Space + p to yank / paste on the system clipboard.

• Type / to search forward in file, and ? to search backwards.

  • Use n and N to cycle through search matches.

================================================================= = CHAPTER 5 RECAP =

• Type C to duplicate the cursor to the next suitable line and Alt-C for previous suitable line.

• Type s to select all instances of a regex pattern inside the current selection.

• Type & to align selections.

• Press Alt-s to split the selection into lines.

================================================================= = CHAPTER 6 RECAP =

• Type f / F to extend selection up to & including a character.

  • Type t / T to extend selection until a character.

• Type r to replace selected characters.

• Type . to repeat the last insertion.

  • Press Alt-. to repeat the last f / t selection.

================================================================= = CHAPTER 7 RECAP =

• Type R to replace the selection with yanked text.

• Type J to join lines in selection.

• Type > and < to indent / unindent lines.

• Press Ctrl-a to increment the selected number.

  • Press Ctrl-x to decrement the selected number.

================================================================= = CHAPTER 8 RECAP =

• Type " to select a different register.

• Type Q to start and stop recording a macro to a register, the default being @.

• Type q to replay a macro from @ or the selected register.

================================================================= = CHAPTER 9 RECAP =

• Type * to set the search register to the primary selection.

• Type n / N in Select mode to add selections on each search match.

• Press Ctrl-s to save position to the jumplist.

  • Press Ctrl-i and Ctrl-o to go forward and backward in the jumplist.

• Type gw to enable 2-character labels, and any 2 characters to jump to the corresponding label, or ESC to drop the labels.