/usr/bin/fcasplit-g77
/usr/bin/nycheck-g77
/usr/bin/nydiff-g77
/usr/bin/nyindex-g77
/usr/bin/nylist-g77
/usr/bin/nymerge-g77
/usr/bin/nypatchy-g77
/usr/bin/nyshell-g77
/usr/bin/nysynopt-g77
/usr/bin/nytidy-g77
/usr/bin/ycompar-g77
/usr/bin/yedit-g77
/usr/bin/yexpand-g77
/usr/bin/yfrceta-g77
/usr/bin/yindexb-g77
/usr/bin/yindex-g77
/usr/bin/ylistb-g77
/usr/bin/ylist-g77
/usr/bin/ypatchy-g77
/usr/bin/ysearch-g77
/usr/bin/yshift-g77
/usr/bin/ytobcd-g77
/usr/bin/ytobin-g77
/usr/bin/ytoceta-g77
You may install this package on CentOS with
yum
install patchy-g77