diff --git a/zlibs/bootstrap b/zlibs/bootstrap
index dc14e6a..1057c43 100644
--- a/zlibs/bootstrap
+++ b/zlibs/bootstrap
@@ -48,24 +48,24 @@ bootstrap_complete_base() {
 
 	## write all system configuration
 	notice "writing system configuration"
-	conf_print_debconf        | sudo tee $strapdir/debconf.set ${TEEVERBOSE}
-	conf_print_fstab          | sudo tee $strapdir/etc/fstab ${TEEVERBOSE}
-	conf_print_hostname       | sudo tee $strapdir/etc/hostname ${TEEVERBOSE}
-	conf_print_hosts          | sudo tee $strapdir/etc/hosts ${TEEVERBOSE}
-	conf_print_networkifaces  | sudo tee $strapdir/etc/network/interfaces ${TEEVERBOSE}
-	conf_print_resolvconf     | sudo tee $strapdir/etc/resolv.conf ${TEEVERBOSE}
-	conf_print_sourceslist    | sudo tee $strapdir/etc/apt/sources.list ${TEEVERBOSE}
+	conf_print_debconf        | sudo tee $strapdir/debconf.set
+	conf_print_fstab          | sudo tee $strapdir/etc/fstab
+	conf_print_hostname       | sudo tee $strapdir/etc/hostname
+	conf_print_hosts          | sudo tee $strapdir/etc/hosts
+	conf_print_networkifaces  | sudo tee $strapdir/etc/network/interfaces
+	conf_print_resolvconf     | sudo tee $strapdir/etc/resolv.conf
+	conf_print_sourceslist    | sudo tee $strapdir/etc/apt/sources.list
 	## below typically used in arm-sdk
 	[[ -n $inittab ]] && {
-		print $inittab | sudo tee -a $strapdir/etc/inittab ${TEEVERBOSE}
+		print $inittab | sudo tee -a $strapdir/etc/inittab
 	}
 	for i in $custmodules; do
-		print $i | sudo tee -a $strapdir/etc/modules ${TEEVERBOSE}
+		print $i | sudo tee -a $strapdir/etc/modules
 	done
 
 	## write third-stage for chroot
-	bootstrap_config_thirdstage | sudo tee $strapdir/thirdstage ${TEEVERBOSE}
-	bootstrap_config_cleanup    | sudo tee $strapdir/cleanup ${TEEVERBOSE}
+	bootstrap_config_thirdstage | sudo tee $strapdir/thirdstage
+	bootstrap_config_cleanup    | sudo tee $strapdir/cleanup
 	sudo chmod +x $strapdir/thirdstage
 	sudo chmod +x $strapdir/cleanup
 
@@ -154,7 +154,7 @@ bootstrap_tar_pack() {
 		sed -i -e 's/$i//g' $strapdir/etc/modules
 	done
 
-	cat <<EOF | sudo tee ${strapdir}/prepack ${TEEVERBOSE}
+	cat <<EOF | sudo tee ${strapdir}/prepack
 #!/bin/sh
 apt-get --yes --force-yes purge ${extra_packages}
 EOF
@@ -196,7 +196,7 @@ bootstrap_tar_unpack() {
 	sudo tar xf $bootstrap_tgz -C ${unpath}
 	sudo mkdir -p ${unpath}/{boot,dev,sys,proc}
 
-	cat <<EOF | sudo tee ${strapdir}/postunpack ${TEEVERBOSE}
+	cat <<EOF | sudo tee ${strapdir}/postunpack
 #!/bin/sh
 dpkg-divert --add --local \
 	--divert /usr/sbin/invoke-rc.d.chroot \
@@ -221,6 +221,6 @@ EOF
 	sudo chroot $strapdir  /postunpack || zerr
 
 	for i in $custmodules; do
-		print $i | sudo tee -a $strapdir/etc/modules ${TEEVERBOSE}
+		print $i | sudo tee -a $strapdir/etc/modules
 	done
 }
diff --git a/zlibs/sysconf b/zlibs/sysconf
index 563dcdf..26d115c 100644
--- a/zlibs/sysconf
+++ b/zlibs/sysconf
@@ -22,7 +22,7 @@
 conf_print_debconf() {
 	fn conf_print_debconf
 
-	cat << EOF
+	cat <<EOF
 console-common console-data/keymap/policy select Select keymap from full list
 console-common console-data/keymap/full select en-latin1-nodeadkeys
 EOF
@@ -31,7 +31,7 @@ EOF
 conf_print_fstab() {
 	fn conf_print_fstab
 
-	cat << EOF
+	cat <<EOF
 #<file system>  <mount point>  <type>  <options>            <dump> <pass>
 proc            /proc          proc    nodev,noexec,nosuid    0      0
 
@@ -56,7 +56,7 @@ conf_print_hosts() {
 	req=(os)
 	ckreq || return 1
 
-	cat << EOF
+	cat <<EOF
 127.0.0.1        ${os}                localhost
 ::1              localhost            ip6-localhost ip6-loopback
 fe00::0          ip6-localnet
@@ -69,7 +69,7 @@ EOF
 conf_print_networkifaces() {
 	fn conf_print_networkifaces
 
-	cat << EOF
+	cat <<EOF
 # interfaces(5) file used by ifup(8) and ifdown(8)
 
 # Please note that this file is written to be used with dhcpcd
@@ -102,7 +102,7 @@ EOF
 conf_print_resolvconf() {
 	fn conf_print_resolvconf
 
-	cat << EOF
+	cat <<EOF
 ## google's nameservers
 nameserver 8.8.8.8
 nameserver 8.8.4.4
@@ -114,7 +114,7 @@ conf_print_sourceslist() {
 	req=(mirror release section)
 	ckreq || return 1
 
-	cat << EOF
+	cat <<EOF
 ## package repositories
 deb ${mirror} ${release} ${section}
 deb ${mirror} ${release}-updates ${section}