diff --git a/README.md b/README.md
index baa4875..290394a 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,6 @@
 # my-scripts
 
-My personally or users our LUG-VS used scripts
-
-See also at [LUG-VS-Wiki Nützliche Scripte](https://lug-vs.org//lugvswiki/index.php?title=Nuetzliche_Scripte) (German)
-
+My personally used scripts
 
 ## Content
 
@@ -11,9 +8,5 @@ See also at [LUG-VS-Wiki Nützliche Scripte](https://lug-vs.org//lugvswiki/index
 |---|---|
 |[duc-index.sh](duc-index.sh)|Script to be added e.g. as cronjob, which generate an index w/o nfs and dfs filesystem mounted files|
 |[diskfree.sh](diskfree.sh)|Script shows the free memory of all mounted filesystems beside *tmpfs|
-|[make_exif-name.sh](make_exif-name.sh)|Add a comment in all *.jpg files in the actuall and all subfolders|
-|[write-exif-comment.sh](write-exif-comment.sh)|Write JPEG EXIF comment in all *.jpg pocures|
-|[utf8.sh](utf8.sh)|Convert text from e.g. Windows latin1 to utf8 text (e.g. in READMEs or other text (not for office documents))|
-|[SchredderHDD.sh](SchredderHDD.sh)|Delete a mechanical  Hard Disk (HDD) in a relayeable way to ensure before forward it to the recycling, that no old data are there|
-|[wmf2svg.sh](wmf2svg.sh)|Example script converts WMF files in SVG to share it easily in the internet|
+|[jpg-add-comment.sh](jpg-add-comment.sh)|Add a comment in all *.jpg files in the actuall and all subfolders|
 
diff --git a/SchredderHDD.sh b/SchredderHDD.sh
deleted file mode 100755
index c1e0886..0000000
--- a/SchredderHDD.sh
+++ /dev/null
@@ -1,98 +0,0 @@
-#!/bin/sh
-# Löscht ein komplettes Device
-# Version 0.2.0
-# Vom 2012-10-15 Aktualisert am 2021-01-24
-# (c) LUG-VS (GPL)
-
-##Status anzeigen:
-#sudo kill -SIGUSR1 $(pidof dd)
-
-# teste ob vorhanden
-if [ "`whoami`" != "root" ] ; then
-	echo 'Nicht ausreichend Rechte - bitte als "root" anmelden!'
-	exit  10
-fi
-
-# Überprüft ob Parameter vorhanden
-if [ $# -lt 1 ] ; then
-	echo 'Device angeben z.B. "'$0' /dev/sdf"'
-	exit  20
-fi
-
-# teste ob vorhanden
-if [ ! -b  $1 ] ; then
-	echo 'Device existiert nicht'
-	echo 'Device angeben z.B. "'$0' /dev/sdf"'
-	exit  30
-fi
-
-# Device zuweisen
-OF=$1
-SIZE=$(fdisk -l ${OF} 2> /dev/null | grep  ${OF} | sed -r "s/.*\, (.*) byte.*/\1/I") 
-NAME=$(fdisk -l ${OF} 2> /dev/null | head -n2 | tail -n1 | sed 's/.*: *//' | sed 's/ *//')
-RNDOM=$(( 20 * 1024 * 1024 )) # Durchsatz bei Zufallszahlen in B/s
-NULLS=$((  40 * 1024 * 1024 )) # Durchsatz bei Zufallszahlen in B/s
-RDURATION=$(( ${SIZE} / ${RNDOM} ))
-NDURATION=$(( ${SIZE} / ${NULLS} ))
-DURATION=$(( ${RDURATION} + ${NDURATION} ))
-#echo "Random=<${RNDOM}> NULLS=<${NULLS}> RDURATION=<${RDURATION}> NDURATION=<${NDURATION}> DURATION=<${DURATION}>"
-
-# Letze Nachfrage
-echo -e "Info ($(date '+%A, %T Uhr')): $OF hat eine Größe von $((${SIZE}/1073741824))GB! Damit dauert mit anschließenden schreiben von Nullen bei typischen Durchsatz etwa $((${DURATION}/3600)) Stunden!"
-echo -en "*** Achtung! Device (Festplatte) ${OF} (${NAME}) wirklich löschen? (j/n) "
-read -n 1 key
-echo -e "\n"
-if [ "${key}" != "j" ] ; then echo 'Antwort nicht "j" => abgebrochen durch Benutzer'; exit 1; fi;
-
-# Laufwerk aushängen
-echo -en "Info ($(date '+%A, %T Uhr')): Laufwerk aushängen: "
-umount -f ${OF}*
-
-# Zufallszahlen Schreiben bis
-TIME=$(date "+%A, %T Uhr")
-RTIME=$(date "+%A um %H:%M Uhr" --date="+${RDURATION} seconds")
-FTIME=$(date "+%A um %H:%M Uhr" --date="+${DURATION} seconds")
-echo -e "Info (${TIME}): $OF hat eine Größe von $((${SIZE}/1073741824))GB, was bei typischen Durchsatz von $((${RNDOM}/1048576))MB/s etwa bis ${RTIME} für das schreiben der Zufallszahlen dauert!"
-echo -e "Info (${TIME}): Damit dauert mit anschließenden schreiben von Nullen bei typischen Durchsatz von $((${NULLS}/1048576))MB/s etwa bis ${FTIME}!"
-##dd random
-dd if=/dev/urandom of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
-sync
-#echo -e "\n"
-TIME=$(date "+%A, %T Uhr")
-NTIME=$(date "+%A um %H:%M Uhr" --date="+${NDURATION} seconds")
-echo -e "Info (${TIME}): $OF hat eine Größe von ${SIZE} bytes, was bei typischen Durchsatz von $((${NULLS}/1048576))MB/s etwa bis ${NTIME} für das schreiben der Nullen dauert!"
-##dd null
-#dd if=/dev/zero of=${OF} bs=64k
-dd if=/dev/zero of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
-sync
-TIME=$(date "+%A, %T Uhr")
-echo -e "Info (${TIME}): $OF (${NAME}) sicher gelöscht!"
-
-## Bisher
-# echo 'Laufwerk aushängen'
-# umount -f ${OF}*
-# 
-# Zufallszahlen beschreiben und anschließend löschen
-# date +"%F %T"
-# echo 'Schreibe Zufallszahlen auf' ${OF}
-# dd if=/dev/urandom of=${OF}
-# dd if=/dev/urandom of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
-# sync
-# echo -en "\n"
-# date +"%F %T"
-# echo 'Schreibe Nullen auf' ${OF}
-# dd if=/dev/zero of=${OF} bs=64k
-# dd if=/dev/zero of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
-# sync
-# date +"%F %T"
-# echo 'Device (Festplatte)' ${OF} 'sicher gelöscht'
-# OF=
-# 
-# 4 mal lüten
-#for (( INDEX=4 ; ${INDEX} ; INDEX=$(( ${INDEX} - 1 )) )) ; do
-#	beep  # => beep wird nicht gefunden ist auch kein alias ???!!!
-#	wait
-#done
-#INDEX=
-
-##
diff --git a/make_exif-name.sh b/jpg-add-comment.sh
old mode 100755
new mode 100644
similarity index 96%
rename from make_exif-name.sh
rename to jpg-add-comment.sh
index 40965cb..5783867
--- a/make_exif-name.sh
+++ b/jpg-add-comment.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Add a exif-comment to all JPEG-Files from this directory and all subdirectorys
 #
-# (c) by Ulf Bartholomäus ub1x@gmx.net
+# (c) LUG-VS (GPL)
 VERSION="make_exif-name.sh Version 0.0.2 from 23.10.2005"
 #
 # Input:	comment text
@@ -29,3 +29,4 @@ echo "Write Comment: <"${COMMENTSTEXT}">"
 #		-p				Preserve timestamps (atime + mtime) when doing inplace editing.
 #		-c <text>		Set jpeg comment tag to <text>.
 find . -type f -name "${JPEGFILEFILTER}" -exec exiftran -ibp -c "${COMMENTSTEXT}" {} \;
+
diff --git a/utf8.sh b/utf8.sh
deleted file mode 100755
index 826d23d..0000000
--- a/utf8.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/bin/bash
-# Script wich converts a file in 'text/plain' from an not utf8 char set to utf8 char set
-#
-# (c) by Ulf Bartholom�s ulfbart@gmx.de
-VERSION="$0 Version 0.1.0 from 20.09.2006"
-
-
-#
-if [ "$1" == "" ]; then
-	echo "Please enter Filename as first option which should be converted"
-	echo
-	echo -e "INFO:\n\tTo convert all old latin1 file-names in new utf8 file-names use:"
-	echo -e "\t\t'convmv --notest -r -f latin1 -t utf-8 *'\n"
-	exit -1
-fi
-
-myNEWNAME=$1
-myNEWNAMEsik=$(echo ${myNEWNAME}~)
-myFILETYPE=$(file -bi ${myNEWNAME} | cut -d';' -f1)
-myCHARSET=$(file -bi ${myNEWNAME} | cut -d'=' -f2)
-# if Filetype is convertable
-if [ "${myFILETYPE}" == "text/plain" ] && [ "${myCHARSET}" != "utf8" ]; then
-	# If sik file exists break with error message
-	test -e  ${myNEWNAMEsik} && echo "File <${myNEWNAMEsik}> exists" && exit -2
-	mv ${myNEWNAME} ${myNEWNAMEsik}
-	# Convert the old CharSet in utf8
-	echo "Convert ${myNEWNAME} from ${myCHARSET} to utf8"
-	iconv -f ${myCHARSET} -t utf8 -o ${myNEWNAME} ${myNEWNAMEsik}
-else 
-	# Print error Message
-	echo "Filetype not 'text/plain' (${myFILETYPE}) or char set is 'utf8' (${myCHARSET})"
-fi
diff --git a/wmf2svg.sh b/wmf2svg.sh
deleted file mode 100755
index 2817911..0000000
--- a/wmf2svg.sh
+++ /dev/null
@@ -1,59 +0,0 @@
-#!/bin/bash
-# Simple script to "convert" a grafik file format to an other
-#
-# (c) LUG-VS (GPL)
-VERSION="wmf2svg.sh Version 0.0.2 from 2006-12-27"
-#
-# Input:        path
-# Output:       changed files
-#
-# Changes:
-#       0.0.2:          rebuild with temporary convertion file
-#       0.0.1:          generation
-#
-
-FORMATin=.wmf
-FORMATout=.svg
-TEMPfile=`dirname $0`/$$.sh
-EXECpath=.
-
-# trap is executed if script breaks (remove temporary file if exists)
-trap "echo '*** TRAP ***' ; test -e ${TEMPfile} && rm ${TEMPfile} ; exit" ERR
-
-# check if command exists else break
-which convert > /dev/null || echo "convert not found!" || exit;
-
-# check if filename exists
-if [ -e ${TEMPfile} ] ; then
-	echo '${TEMPfile} exists => call this comand a 2-nd time'
-	exit
-fi
-
-# if path exists and is a path => use it
-if [ -d $1 ] ; then
-	EXECpath=$1
-fi
-
-# generate temporary script for manipulation and made it executable
-# change in this sektion what is to do
-# the "echo" comand writes the comand lines in the ${TEMPfile}
-echo '#!/bin/bash' > `echo ${TEMPfile}`
-echo -e 'myFILEin=$1\nmyFILEout=`dirname $1`/`basename $1 '${FORMATin}'`"'${FORMATout}'"' >> `echo ${TEMPfile}`
-echo -e 'echo convert ${myFILEin} ${myFILEout}' >> `echo ${TEMPfile}`
-echo -e 'convert ${myFILEin} ${myFILEout}' >> `echo ${TEMPfile}`
-echo -e '# write what you want to do without coment char "#" in this line' >> `echo ${TEMPfile}`
-echo -e '# rm ${myFILEin} ;# remove "#" befor rm if you want to delete the source' >> `echo ${TEMPfile}`
-chmod +x ${TEMPfile}
-
-# echo what is to do
-echo 'Start recursive convertion from *'${FORMATin}' in *'${FORMATout}
-
-# find all files (not case sensitive) that matching filter and execut script
-find ${EXECpath} -type f -iname "*${FORMATin}" -print0 | xargs -0 -n1 ${TEMPfile}
-
-# debug => remove this line if not need
-cat ${TEMPfile}
-
-# remove the temporary script
-rm ${TEMPfile}
-
diff --git a/write-exif-comment.sh b/write-exif-comment.sh
deleted file mode 100755
index 4095868..0000000
--- a/write-exif-comment.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/bash
-# Write a exif-comment to all JPEG-Files from this directory and all subdirectorys
-#
-# (c) LUG-VS (GPL)
-VERSION="write-exif-comment.sh Version 0.0.1 from 16.06.2019"
-#
-# Input:	InImage [OutImage]
-# Output:	changed files
-#
-# Changes:
-#	0.0.1:		generation
-#
-test -e $1 || exit -1
-FilenameFull="$1"
-if [ $# -gt 1 ] ; then
-    FilenameSik="$2"
-else
-    Extension="${FilenameFull##*.}"
-    FilenameBase="${FilenameFull%.*}"
-    FilenameSik="${FilenameBase}New.${Extension}"
-fi
-CommentsText="$(convert ${FilenameFull} -format "%c\n" info:)"
-Width=$(identify -format %w ${FilenameFull})
-High=$(( $(identify -format %h ${FilenameFull}) / 10))
-echo "EXIF-Kommentar= <${CommentsText}> of <${FilenameFull}> (${Width}x${High} ${FilenameSik})"
-convert -background '#0008' -fill white -gravity center -size ${Width}x${High} caption:"${CommentsText}" \
-          ${FilenameFull} +swap -gravity south -composite  ${FilenameSik}