Linux in a Nutshell, 6th Edition

Indentation Commands

Keystrokes	Command name	Description
C-x .	set-fill-prefix	Use characters from the beginning of the line up to the cursor column as the “fill prefix.” This prefix is prepended to each line in the paragraph. Cancel the prefix by typing this command in column 1.
(none)	indented-text-mode	Major mode: each tab defines a new indent for subsequent lines.
(none)	text-mode	Exit indented text mode; return to text mode.
C-M-\	indent-region	Indent a region to match first line in region.
M-m	back-to-indentation	Move cursor to first nonblank character on line.
M-^	delete-indentation	Join this line to the previous one.
C-M-o	split-line	Split line at cursor; indent to column of cursor.
(none)	fill-individual-paragraphs	Reformat indented paragraphs, keeping indentation.