C-r will (usually?) invoke reverse-search-history (http://www.gnu.org/software/bash/manual/html_node/Commands-F...) in bash (and I'm sure some other shells also).
C-r will (usually?) invoke reverse-search-history (http://www.gnu.org/software/bash/manual/html_node/Commands-F...) in bash (and I'm sure some other shells also).