$ readlink /usr/bin/awk /etc/alternatives/awk $ readlink /etc/alternatives/awk /usr/bin/gawk $ update-alternatives --config awk There are 2 choices for the alternative awk (providing /usr/bin/awk). Selection Path Priority Status ------------------------------------------------------------ * 0 /usr/bin/gawk 10 auto mode 1 /usr/bin/gawk 10 manual mode 2 /usr/bin/mawk 5 manual mode …