* If you want to duplicate a line, you can yank it with Y into the default yank buffer, then move your cursor and push it out with p or P to push it after or before the current line.

* To move a line, delete it with dd which puts it into the yank buffer, then push it with p or P.

* The number of lines to be yanked or deleted can by typed in before you Y or dd and vi will yank or delete that number of lines.

* If you want to remember whereabouts in your text you are so that you can come back later, you can drop a marker - ma will set a marker "a" and you can return to that marked line later using 'a - that's a quote followed by the marker name.

* The %command will jump the cursor to a matching bracket

* J joins 2 lines together

* and :e![cr] says "I made a right mess of that - abandon my changes and re-read the input file
(written 2007-11-20 01:11:39)

Commentator	says ...
Leah:	Very useful, thanks! With setting the markers, it sounds as though one could set multiple markers? Can it be set with more than character, like -mstuff and 'stuff? (comment added 2007-11-21 11:17:58)
graham:	Markers are single characters, but you can use letters (capital and lower case) and most special characters too which should (!) be plenty. The problem with multiple characters is that you woul;d need to have a deimited when you set them up and re-use them (comment added 2007-11-21 17:43:28)

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