diff --git a/INSTALL b/INSTALL
index b4a1466..3deb0a4 100644
--- a/INSTALL
+++ b/INSTALL
@@ -16,7 +16,7 @@ If you have a debian system with all necessary packages installed, type
 
 else:
 
-	1) copy conf.* files into /usr/share/grc/ or /usr/local/share/grc/,
+	1) copy colorfiles/conf.* files into /usr/share/grc/ or /usr/local/share/grc/,
 	   creating directories when needed
 
 	2) copy grc.conf into /etc/
diff --git a/conf.ant b/colorfiles/conf.ant
similarity index 100%
rename from conf.ant
rename to colorfiles/conf.ant
diff --git a/conf.blkid b/colorfiles/conf.blkid
similarity index 100%
rename from conf.blkid
rename to colorfiles/conf.blkid
diff --git a/conf.configure b/colorfiles/conf.configure
similarity index 100%
rename from conf.configure
rename to colorfiles/conf.configure
diff --git a/conf.cvs b/colorfiles/conf.cvs
similarity index 100%
rename from conf.cvs
rename to colorfiles/conf.cvs
diff --git a/conf.df b/colorfiles/conf.df
similarity index 100%
rename from conf.df
rename to colorfiles/conf.df
diff --git a/conf.diff b/colorfiles/conf.diff
similarity index 100%
rename from conf.diff
rename to colorfiles/conf.diff
diff --git a/conf.dig b/colorfiles/conf.dig
similarity index 100%
rename from conf.dig
rename to colorfiles/conf.dig
diff --git a/conf.dnf b/colorfiles/conf.dnf
similarity index 100%
rename from conf.dnf
rename to colorfiles/conf.dnf
diff --git a/conf.docker-machinels b/colorfiles/conf.docker-machinels
similarity index 100%
rename from conf.docker-machinels
rename to colorfiles/conf.docker-machinels
diff --git a/conf.dockerimages b/colorfiles/conf.dockerimages
similarity index 100%
rename from conf.dockerimages
rename to colorfiles/conf.dockerimages
diff --git a/conf.dockerinfo b/colorfiles/conf.dockerinfo
similarity index 100%
rename from conf.dockerinfo
rename to colorfiles/conf.dockerinfo
diff --git a/conf.dockernetwork b/colorfiles/conf.dockernetwork
similarity index 100%
rename from conf.dockernetwork
rename to colorfiles/conf.dockernetwork
diff --git a/conf.dockerps b/colorfiles/conf.dockerps
similarity index 100%
rename from conf.dockerps
rename to colorfiles/conf.dockerps
diff --git a/conf.dockerpull b/colorfiles/conf.dockerpull
similarity index 100%
rename from conf.dockerpull
rename to colorfiles/conf.dockerpull
diff --git a/conf.dockersearch b/colorfiles/conf.dockersearch
similarity index 100%
rename from conf.dockersearch
rename to colorfiles/conf.dockersearch
diff --git a/conf.dockerversion b/colorfiles/conf.dockerversion
similarity index 100%
rename from conf.dockerversion
rename to colorfiles/conf.dockerversion
diff --git a/conf.du b/colorfiles/conf.du
similarity index 100%
rename from conf.du
rename to colorfiles/conf.du
diff --git a/conf.env b/colorfiles/conf.env
similarity index 100%
rename from conf.env
rename to colorfiles/conf.env
diff --git a/conf.esperanto b/colorfiles/conf.esperanto
similarity index 100%
rename from conf.esperanto
rename to colorfiles/conf.esperanto
diff --git a/conf.free b/colorfiles/conf.free
similarity index 100%
rename from conf.free
rename to colorfiles/conf.free
diff --git a/conf.gcc b/colorfiles/conf.gcc
similarity index 100%
rename from conf.gcc
rename to colorfiles/conf.gcc
diff --git a/conf.getfacl b/colorfiles/conf.getfacl
similarity index 100%
rename from conf.getfacl
rename to colorfiles/conf.getfacl
diff --git a/conf.getsebool b/colorfiles/conf.getsebool
similarity index 100%
rename from conf.getsebool
rename to colorfiles/conf.getsebool
diff --git a/conf.ifconfig b/colorfiles/conf.ifconfig
similarity index 100%
rename from conf.ifconfig
rename to colorfiles/conf.ifconfig
diff --git a/conf.iostat_sar b/colorfiles/conf.iostat_sar
similarity index 100%
rename from conf.iostat_sar
rename to colorfiles/conf.iostat_sar
diff --git a/conf.ip b/colorfiles/conf.ip
similarity index 100%
rename from conf.ip
rename to colorfiles/conf.ip
diff --git a/conf.ipaddr b/colorfiles/conf.ipaddr
similarity index 100%
rename from conf.ipaddr
rename to colorfiles/conf.ipaddr
diff --git a/conf.ipneighbor b/colorfiles/conf.ipneighbor
similarity index 100%
rename from conf.ipneighbor
rename to colorfiles/conf.ipneighbor
diff --git a/conf.iproute b/colorfiles/conf.iproute
similarity index 100%
rename from conf.iproute
rename to colorfiles/conf.iproute
diff --git a/conf.iptables b/colorfiles/conf.iptables
similarity index 100%
rename from conf.iptables
rename to colorfiles/conf.iptables
diff --git a/conf.irclog b/colorfiles/conf.irclog
similarity index 100%
rename from conf.irclog
rename to colorfiles/conf.irclog
diff --git a/conf.last b/colorfiles/conf.last
similarity index 100%
rename from conf.last
rename to colorfiles/conf.last
diff --git a/conf.ldap b/colorfiles/conf.ldap
similarity index 100%
rename from conf.ldap
rename to colorfiles/conf.ldap
diff --git a/conf.log b/colorfiles/conf.log
similarity index 100%
rename from conf.log
rename to colorfiles/conf.log
diff --git a/conf.ls b/colorfiles/conf.ls
similarity index 100%
rename from conf.ls
rename to colorfiles/conf.ls
diff --git a/conf.lsattr b/colorfiles/conf.lsattr
similarity index 100%
rename from conf.lsattr
rename to colorfiles/conf.lsattr
diff --git a/conf.lsblk b/colorfiles/conf.lsblk
similarity index 100%
rename from conf.lsblk
rename to colorfiles/conf.lsblk
diff --git a/conf.lsmod b/colorfiles/conf.lsmod
similarity index 100%
rename from conf.lsmod
rename to colorfiles/conf.lsmod
diff --git a/conf.lspci b/colorfiles/conf.lspci
similarity index 100%
rename from conf.lspci
rename to colorfiles/conf.lspci
diff --git a/conf.mount b/colorfiles/conf.mount
similarity index 100%
rename from conf.mount
rename to colorfiles/conf.mount
diff --git a/conf.mount.old b/colorfiles/conf.mount.old
similarity index 100%
rename from conf.mount.old
rename to colorfiles/conf.mount.old
diff --git a/conf.mtr b/colorfiles/conf.mtr
similarity index 100%
rename from conf.mtr
rename to colorfiles/conf.mtr
diff --git a/conf.mvn b/colorfiles/conf.mvn
similarity index 100%
rename from conf.mvn
rename to colorfiles/conf.mvn
diff --git a/conf.netstat b/colorfiles/conf.netstat
similarity index 100%
rename from conf.netstat
rename to colorfiles/conf.netstat
diff --git a/conf.nmap b/colorfiles/conf.nmap
similarity index 100%
rename from conf.nmap
rename to colorfiles/conf.nmap
diff --git a/conf.php b/colorfiles/conf.php
similarity index 100%
rename from conf.php
rename to colorfiles/conf.php
diff --git a/conf.ping b/colorfiles/conf.ping
similarity index 100%
rename from conf.ping
rename to colorfiles/conf.ping
diff --git a/conf.ping2 b/colorfiles/conf.ping2
similarity index 100%
rename from conf.ping2
rename to colorfiles/conf.ping2
diff --git a/conf.proftpd b/colorfiles/conf.proftpd
similarity index 100%
rename from conf.proftpd
rename to colorfiles/conf.proftpd
diff --git a/conf.ps b/colorfiles/conf.ps
similarity index 100%
rename from conf.ps
rename to colorfiles/conf.ps
diff --git a/conf.pv b/colorfiles/conf.pv
similarity index 100%
rename from conf.pv
rename to colorfiles/conf.pv
diff --git a/conf.semanage b/colorfiles/conf.semanage
similarity index 100%
rename from conf.semanage
rename to colorfiles/conf.semanage
diff --git a/conf.showmount b/colorfiles/conf.showmount
similarity index 100%
rename from conf.showmount
rename to colorfiles/conf.showmount
diff --git a/conf.sql b/colorfiles/conf.sql
similarity index 100%
rename from conf.sql
rename to colorfiles/conf.sql
diff --git a/conf.ss b/colorfiles/conf.ss
similarity index 100%
rename from conf.ss
rename to colorfiles/conf.ss
diff --git a/conf.stat b/colorfiles/conf.stat
similarity index 100%
rename from conf.stat
rename to colorfiles/conf.stat
diff --git a/conf.sysctl b/colorfiles/conf.sysctl
similarity index 100%
rename from conf.sysctl
rename to colorfiles/conf.sysctl
diff --git a/conf.systemctl b/colorfiles/conf.systemctl
similarity index 100%
rename from conf.systemctl
rename to colorfiles/conf.systemctl
diff --git a/conf.tcpdump b/colorfiles/conf.tcpdump
similarity index 100%
rename from conf.tcpdump
rename to colorfiles/conf.tcpdump
diff --git a/conf.traceroute b/colorfiles/conf.traceroute
similarity index 100%
rename from conf.traceroute
rename to colorfiles/conf.traceroute
diff --git a/conf.tune2fs b/colorfiles/conf.tune2fs
similarity index 100%
rename from conf.tune2fs
rename to colorfiles/conf.tune2fs
diff --git a/conf.ulimit b/colorfiles/conf.ulimit
similarity index 100%
rename from conf.ulimit
rename to colorfiles/conf.ulimit
diff --git a/conf.uptime b/colorfiles/conf.uptime
similarity index 100%
rename from conf.uptime
rename to colorfiles/conf.uptime
diff --git a/conf.vmstat b/colorfiles/conf.vmstat
similarity index 100%
rename from conf.vmstat
rename to colorfiles/conf.vmstat
diff --git a/conf.wdiff b/colorfiles/conf.wdiff
similarity index 100%
rename from conf.wdiff
rename to colorfiles/conf.wdiff
diff --git a/grc.spec b/grc.spec
index 6efbde7..6c8335f 100644
--- a/grc.spec
+++ b/grc.spec
@@ -34,7 +34,7 @@ install -d -m 755 $RPM_BUILD_ROOT%{prefix}/bin
 install -m 755 grc $RPM_BUILD_ROOT%{prefix}/bin
 install -m 755 grcat $RPM_BUILD_ROOT%{prefix}/bin
 install -d -m 755 $RPM_BUILD_ROOT%{prefix}/share/grc
-install -m 644 conf.* $RPM_BUILD_ROOT%{prefix}/share/grc
+install -m 644 colorfiles/conf.* $RPM_BUILD_ROOT%{prefix}/share/grc
 install -d -m 755 $RPM_BUILD_ROOT%{confdir}
 install -m 644 grc.conf $RPM_BUILD_ROOT%{confdir}
 install -d -m 755 $RPM_BUILD_ROOT%{_mandir}/man1
diff --git a/install.sh b/install.sh
index ebc3b1c..5871652 100755
--- a/install.sh
+++ b/install.sh
@@ -2,11 +2,8 @@
 
 set -e
 
-PREFIX=$1
+PREFIX=${1:-/usr/local}
 ETCPREFIX=$2
-if [ -z $PREFIX ]; then
-  PREFIX=/usr/local
-fi
 
 
 BINDIR=$PREFIX/bin
@@ -18,7 +15,7 @@ PROFILEDIR=$CONFDIR/profile.d
 mkdir -p $BINDIR || true
 cp -fv grc grcat $BINDIR
 mkdir -p $LIBDIR || true
-cp -fv conf.* $LIBDIR
+cp -fv colorfiles/conf.* $LIBDIR
 mkdir -p $MANDIR/man1
 cp -fv grc.1 $MANDIR/man1
 cp -fv grcat.1 $MANDIR/man1
@@ -26,4 +23,3 @@ mkdir -p $CONFDIR
 cp -fv grc.conf $CONFDIR
 mkdir -p $PROFILEDIR
 cp -fv grc.bashrc $PROFILEDIR
-