Some very useful Fedora 19 yum commands for querying the package database and installing software.

This is how you query the package database to see if a package is installed or not. root@neo homer# yum list installed | grep xterm xterm.x86_64 293-1.fc19 @anaconda This is a more verbose way of doing this. root@neo homer# yum list installed xterm Loaded plugins: fastestmirror, langpacks, refresh-packagekit Loading mirror speeds from cached hostfile * Click to read more... »