ack-grep is not ack's related cousin. Ack-grep is the name debian uses for the ack executable in order avoid a namespace collision. dfc@ronin:~$ apt-file sea

ack-grep is not ack's related cousin. Ack-grep is the name debian uses for the ack executable in order avoid a namespace collision. dfc@ronin:~$ apt-file search bin/ack ack: /usr/bin/ack ack-grep: /usr/bin/ack-grep ... dfc@ronin:~$ apt-cache search --names-only ^ack ack - Kanji code converter ack-grep - grep-like program specifically for large source trees dfc@ronin:~$