Package: rxvt

"rxvt" package binaries on CentOS:

/usr/bin/rclock /usr/bin/rxvt-2.7.10 /usr/bin/rxvt

You may install this package on CentOS with yum install rxvt

"rxvt" package binaries on Debian:

/usr/bin/rclock /usr/bin/rxvt-xpm /usr/bin/rxvt-xterm

You may install this package on Debian with apt-get install rxvt