diff --git a/020_bmaptools.sh b/020_bmaptools.sh
new file mode 100644
index 0000000..dbe0373
--- /dev/null
+++ b/020_bmaptools.sh
@@ -0,0 +1,23 @@
+apt-get install bmap-tools
+
+# FIXME
+# create function for ''bmap-tool create' that fixes the zfs_dmu_offset_next_sync issue
+
+#function bmapcreate() {
+#	echo 1 | sudo tee -a /sys/module/zfs/parameters/zfs_dmu_offset_next_sync
+# 
+#       BMAPFILE=$1
+#       IMAGE=$2
+## test the extension to see if we need to decompress before creating the bmap
+#       if [ ${IMAGE:e} = 'xz']
+#	bmaptool create --output mobian-pinephone-20200905.img.bmap mobian-pinephone-20200905.img     
+#	bmaptool create --output $BMAPFILE $IMAGE    
+# 
+#	echo 0 | sudo tee -a /sys/module/zfs/parameters/zfs_dmu_offset_next_sync
+#}
+
+
+#function bmapcopy() {
+#	bmaptool copy --bmap $BMAPFILE $IMAGE $BLOCKDEVICE
+#}
+
diff --git a/020_kicad.sh b/020_kicad.sh
new file mode 100644
index 0000000..03d752f
--- /dev/null
+++ b/020_kicad.sh
@@ -0,0 +1 @@
+apt-get -y install kicad kicad-libraries kicad-symbols kicad-footprints kicad-templates kicad-demos kicad-packages3d
diff --git a/sed_comment-uncomment_example/.config.yaml.swp b/sed_comment-uncomment_example/.config.yaml.swp
new file mode 100644
index 0000000..fa32e62
Binary files /dev/null and b/sed_comment-uncomment_example/.config.yaml.swp differ
diff --git a/sed_comment-uncomment_example/config.yaml b/sed_comment-uncomment_example/config.yaml
new file mode 100644
index 0000000..ba391fd
--- /dev/null
+++ b/sed_comment-uncomment_example/config.yaml
@@ -0,0 +1,11 @@
+---
+url: http://extrepo-team.pages.debian.net/extrepo-data
+dist: debian
+version: bullseye
+# To enable repositories that host software with non-DFSG-free licenses,
+# #  uncomment "contrib" and/or "non-free" in the list below.
+enabled_policies:
+- main
+# - contrib
+# - non-free
+
diff --git a/sed_comment-uncomment_example/test-sed.sh b/sed_comment-uncomment_example/test-sed.sh
new file mode 100644
index 0000000..38d97ef
--- /dev/null
+++ b/sed_comment-uncomment_example/test-sed.sh
@@ -0,0 +1,23 @@
+CONFIG_FILE=./config.yaml
+PATTERN1="contrib"
+PATTERN2="non-free"
+
+cat ${CONFIG_FILE}
+
+echo "Uncomment:"
+echo "PATTERN1: sed -i \"/${PATTERN1}/s/^#.//g\" ${CONFIG_FILE}"
+sed -i "/${PATTERN1}/s/^#.//g" ${CONFIG_FILE} #   (to uncomment)
+
+echo "PATTERN2: sed -i \"/${PATTERN2}/s/^#.//g\" ${CONFIG_FILE}"
+sed -i "/${PATTERN2}/s/^#.//g" ${CONFIG_FILE} #   (to uncomment)
+
+cat ${CONFIG_FILE}
+
+echo "Comment:"
+echo "sed -i \"/${PATTERN1}/s/^/# /g" ${CONFIG_FILE}\" #   (to comment)
+sed -i "/${PATTERN1}/s/^/# /g" ${CONFIG_FILE} #   (to comment)
+
+echo "sed -i \"/${PATTERN2}/s/^/# /g" ${CONFIG_FILE}\" #   (to comment)
+sed -i "/${PATTERN2}/s/^/# /g" ${CONFIG_FILE} #   (to comment)
+
+cat ${CONFIG_FILE}