Quoting the answer with 1 upvote:<p>&gt; Experientially, there is a 999 character truncation per line on all of my Ubuntu machines, although I have not yet found any related explanatory documentation.<p>&gt; I&#x27;ve tested on Ubuntu 10.04, 12.04, and 14.04, and the 999 character count is started at the first non-whitespace character past the schedule.