Strange behaviour, commands become stuck in buffer

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http://unix.stackexchange.com – Originally, I thought this was localized to my cygwin installation; however, I have noticed it occurring on my linux/xfce machine's terminal as well. Currently, I'm using GNU bash, version 4.2.37(1)-release (x86_64-pc-linux-gnu), and sometimes after running a few commands, I will use the up arrow to return to a previously typed command and as I search through them part of a command that I pass over becomes permanently stuck in the current line. For example: $ echo "something" something $ date Sun Nov 18 17:07:54 PST 2012 $ sudo apt-get install vim ... Now, say I want to return to my echo "s (HowTos)