diff --git a/SCR.1.2/TP08/bin2dot-withfor.sh b/SCR.1.2/TP08/bin2dot-withfor.sh
new file mode 100755
index 0000000..aee36d9
--- /dev/null
+++ b/SCR.1.2/TP08/bin2dot-withfor.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+if [[ $# -lt 2 ]]
+then
+echo "Usage: $0 <mumarg1> <numarg2>" 
+exit
+fi
+
+if [[ -f $2 ]]
+then
+read -p "File $2 exists. Overwrite ? Yes/ No --->" answer
+exit
+fi
+if [[ $answer != "Yes" ]]
+then
+	exit
+fi
+cp /dev/null $2
+fi 
+
+ARG=$1
+ARG2=$2
+addr=$1
+
+for addr in (cat "$ARG");
+
+do 
+	
+binaire1=$(expr substr $addr 1 8)
+octet1=$((2#$binaire1)) 
+binaire2=$(expr substr $addr 9 8)
+octet2=$((2#$binaire2)) 
+binaire3=$(expr substr $addr 17 8)
+octet4=$((2#$binaire3)) 
+binaire4=$(expr substr $addr 25 8)
+octet4=$((2#$binaire4)) 
+
+echo addr_dot="$octet1.$octet2.octet3.octet4" >> $ARG2
+
+done
+exit
\ No newline at end of file
diff --git a/SCR.1.2/TP08/bin_ipv4_adress.dat b/SCR.1.2/TP08/bin_ipv4_adress.dat
new file mode 100644
index 0000000..c765b63
--- /dev/null
+++ b/SCR.1.2/TP08/bin_ipv4_adress.dat
@@ -0,0 +1,3 @@
+10110010111000101000011101110010
+11100101110001010101100101010010
+00110010111001101000010001110010
\ No newline at end of file
diff --git a/SCR.1.2/TP08/dot_ipv4_addres.dat b/SCR.1.2/TP08/dot_ipv4_addres.dat
new file mode 100644
index 0000000..f9d0ae4
--- /dev/null
+++ b/SCR.1.2/TP08/dot_ipv4_addres.dat
@@ -0,0 +1 @@
+Usage: ./bin2dot-withfor.sh <mumarg1> <numarg2>
diff --git a/SCR.1.2/TP08/fichier-reponses-tp08.txt b/SCR.1.2/TP08/fichier-reponses-tp08.txt
new file mode 100644
index 0000000..90966bd
--- /dev/null
+++ b/SCR.1.2/TP08/fichier-reponses-tp08.txt
@@ -0,0 +1,29 @@
+TP08
+
+3. 
+
+[yolou@archlinux TP08]$ read x
+7888
+[yolou@archlinux TP08]$ echo $x
+7888
+[yolou@archlinux TP08]$ echo $?
+0
+
+Explication : Code de sortie pour $? 
+
+[yolou@archlinux TP08]$ read x (CRTL+D)
+
+[yolou@archlinux TP08]$ echo "$? x=$x"
+1 x=
+
+Explication : CRTL+D ça signie fin de fichier sur l'entrée standards. On va donc utiliser le fait que read renvoie un code different de 0 lorsqu'ell rencontre une fin de fichier.
+
+Pour le code : for addr in $(cat $1)
+cp bin2dot-withfor.sh bin2dot-with-read.sh
+
+while read addr
+do
+
+addr_dot=
+echo $addr_dot >> $2
+done
\ No newline at end of file
diff --git a/SCR.1.2/TP08/mult_mat.sh b/SCR.1.2/TP08/mult_mat.sh
new file mode 100755
index 0000000..a220509
--- /dev/null
+++ b/SCR.1.2/TP08/mult_mat.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+if [[ $# -lt 2 ]]
+then
+echo "Usage: $0 <mumarg1> <numarg2>" 
+exit
+fi
+
+if [[ $1 -gt $2 ]]
+then
+echo "Tu dois donne un 1er paramètre moins gros que celui de le deuxieme paramètre"
+exit
+fi
+
+ARG=$1
+ARG2=$2
+
+for ((i=ARG; i<=ARG2;i++))
+do 
+	for((j=ARG; j<=ARG2;j++))
+	do 	
+		echo -n $((i*j))" "
+done
+
+echo ""
+done
+exit
diff --git a/SCR.1.2/TP08/my_seq.sh b/SCR.1.2/TP08/my_seq.sh
new file mode 100755
index 0000000..9e67a41
--- /dev/null
+++ b/SCR.1.2/TP08/my_seq.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [[ $# -lt 1 ]]
+then
+echo "Usage: $0 <arg_numeric>"
+exit
+fi
+
+for (( i=1; i<=$1 ;i++ )) 
+do
+ echo $i
+done
+exit
diff --git a/SCR.1.2/TP09/TREE/lib/auth/transm.d b/SCR.1.2/TP09/TREE/lib/auth/transm.d
new file mode 100644
index 0000000..e69de29
diff --git a/SCR.1.2/TP09/TREE/lib/kernel/install.d/50-depmod.install b/SCR.1.2/TP09/TREE/lib/kernel/install.d/50-depmod.install
new file mode 100755
index 0000000..68c24be
--- /dev/null
+++ b/SCR.1.2/TP09/TREE/lib/kernel/install.d/50-depmod.install
@@ -0,0 +1,8 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
diff --git a/SCR.1.2/TP09/TREE/lib/kernel/install.d/50-mkinitcpio.install b/SCR.1.2/TP09/TREE/lib/kernel/install.d/50-mkinitcpio.install
new file mode 100755
index 0000000..c8f51ba
--- /dev/null
+++ b/SCR.1.2/TP09/TREE/lib/kernel/install.d/50-mkinitcpio.install
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+case $1 in
+    add)
+        mkinitcpio -k "$2" -g "$3"/initrd
+        ;;
+    remove)
+        rm -f -- "$3"/initrd
+        ;;
+esac
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/SCR.1.2/TP09/TREE/lib/kernel/install.d/90-loaderentry.install b/SCR.1.2/TP09/TREE/lib/kernel/install.d/90-loaderentry.install
new file mode 100755
index 0000000..c17b8a9
--- /dev/null
+++ b/SCR.1.2/TP09/TREE/lib/kernel/install.d/90-loaderentry.install
@@ -0,0 +1,89 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+COMMAND="$1"
+KERNEL_VERSION="$2"
+BOOT_DIR_ABS="$3"
+KERNEL_IMAGE="$4"
+
+if [[ -f /etc/machine-id ]]; then
+    read MACHINE_ID < /etc/machine-id
+fi
+
+if ! [[ $MACHINE_ID ]]; then
+    exit 1
+fi
+
+BOOT_DIR="/$MACHINE_ID/$KERNEL_VERSION"
+LOADER_ENTRY="/boot/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf"
+
+if [[ $COMMAND == remove ]]; then
+    exec rm -f "$LOADER_ENTRY"
+fi
+
+if ! [[ $COMMAND == add ]]; then
+    exit 1
+fi
+
+if ! [[ $KERNEL_IMAGE ]]; then
+    exit 1
+fi
+
+if [[ -f /etc/os-release ]]; then
+    . /etc/os-release
+elif [[ -f /usr/lib/os-release ]]; then
+    . /usr/lib/os-release
+fi
+
+if ! [[ $PRETTY_NAME ]]; then
+    PRETTY_NAME="Linux $KERNEL_VERSION"
+fi
+
+declare -a BOOT_OPTIONS
+
+if [[ -f /etc/kernel/cmdline ]]; then
+    readarray -t BOOT_OPTIONS < /etc/kernel/cmdline
+fi
+
+if ! [[ ${BOOT_OPTIONS[*]} ]]; then
+    readarray -t line < /proc/cmdline
+    for i in ${line[*]}; do
+        if [[ "${i#initrd=*}" == "$i" ]]; then
+            BOOT_OPTIONS[${#BOOT_OPTIONS[@]}]="$i"
+        fi
+    done
+fi
+
+if ! [[ ${BOOT_OPTIONS[*]} ]]; then
+    echo "Could not determine the kernel command line parameters." >&2
+    echo "Please specify the kernel command line in /etc/kernel/cmdline!" >&2
+    exit 1
+fi
+
+cp "$KERNEL_IMAGE" "$BOOT_DIR_ABS/linux" &&
+   chown root:root "$BOOT_DIR_ABS/linux" &&
+   chmod 0644 "$BOOT_DIR_ABS/linux" || {
+    echo "Could not copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/linux'." >&2
+    exit 1
+}
+
+mkdir -p "${LOADER_ENTRY%/*}" || {
+    echo "Could not create loader entry directory '${LOADER_ENTRY%/*}'." >&2
+    exit 1
+}
+
+{
+    echo "title      $PRETTY_NAME"
+    echo "version    $KERNEL_VERSION"
+    echo "machine-id $MACHINE_ID"
+    echo "options    ${BOOT_OPTIONS[*]}"
+    echo "linux      $BOOT_DIR/linux"
+    [[ -f $BOOT_DIR_ABS/initrd ]] && \
+        echo "initrd     $BOOT_DIR/initrd"
+    :
+} > "$LOADER_ENTRY" || {
+    echo "Could not create loader entry '$LOADER_ENTRY'." >&2
+    exit 1
+}
+exit 0
diff --git a/SCR.1.2/TP09/TREE/lib/krb5/plugins/inout.dev b/SCR.1.2/TP09/TREE/lib/krb5/plugins/inout.dev
new file mode 100644
index 0000000..0e36aef
--- /dev/null
+++ b/SCR.1.2/TP09/TREE/lib/krb5/plugins/inout.dev
@@ -0,0 +1,48 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
diff --git a/SCR.1.2/TP09/TREE/lib/krb5/plugins/kdb/db2.so b/SCR.1.2/TP09/TREE/lib/krb5/plugins/kdb/db2.so
new file mode 100644
index 0000000..2ff0f07
Binary files /dev/null and b/SCR.1.2/TP09/TREE/lib/krb5/plugins/kdb/db2.so differ
diff --git a/SCR.1.2/TP09/TREE/lib/krb5/plugins/kdb/kldap.so b/SCR.1.2/TP09/TREE/lib/krb5/plugins/kdb/kldap.so
new file mode 100644
index 0000000..b9561fa
Binary files /dev/null and b/SCR.1.2/TP09/TREE/lib/krb5/plugins/kdb/kldap.so differ
diff --git a/SCR.1.2/TP09/TREE/lib/krb5/plugins/play.in b/SCR.1.2/TP09/TREE/lib/krb5/plugins/play.in
new file mode 100644
index 0000000..06d7405
Binary files /dev/null and b/SCR.1.2/TP09/TREE/lib/krb5/plugins/play.in differ
diff --git a/SCR.1.2/TP09/TREE/lib/krb5/plugins/preauth/otp.so b/SCR.1.2/TP09/TREE/lib/krb5/plugins/preauth/otp.so
new file mode 100644
index 0000000..2362086
Binary files /dev/null and b/SCR.1.2/TP09/TREE/lib/krb5/plugins/preauth/otp.so differ
diff --git a/SCR.1.2/TP09/TREE/lib/krb5/plugins/preauth/pkinit.so b/SCR.1.2/TP09/TREE/lib/krb5/plugins/preauth/pkinit.so
new file mode 100644
index 0000000..48b9b60
Binary files /dev/null and b/SCR.1.2/TP09/TREE/lib/krb5/plugins/preauth/pkinit.so differ
diff --git a/SCR.1.2/TP09/TREE/lib/krb5/synch/atom.install b/SCR.1.2/TP09/TREE/lib/krb5/synch/atom.install
new file mode 100644
index 0000000..a793689
--- /dev/null
+++ b/SCR.1.2/TP09/TREE/lib/krb5/synch/atom.install
@@ -0,0 +1,16 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
diff --git a/SCR.1.2/TP09/TREE/lib/krb5/synch/settings.sh b/SCR.1.2/TP09/TREE/lib/krb5/synch/settings.sh
new file mode 100644
index 0000000..ada62ea
--- /dev/null
+++ b/SCR.1.2/TP09/TREE/lib/krb5/synch/settings.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+[[ $1 == "add" ]] || exit 0
+[[ $2 ]] || exit 1
+
+exec depmod -a "$2"
diff --git a/SCR.1.2/TP09/arch_for_find.tar.gz b/SCR.1.2/TP09/arch_for_find.tar.gz
new file mode 100644
index 0000000..65a41e0
Binary files /dev/null and b/SCR.1.2/TP09/arch_for_find.tar.gz differ
diff --git a/SCR.1.2/TP09/fichier-reponses-tp08.txt b/SCR.1.2/TP09/fichier-reponses-tp08.txt
new file mode 100644
index 0000000..6210c00
--- /dev/null
+++ b/SCR.1.2/TP09/fichier-reponses-tp08.txt
@@ -0,0 +1,48 @@
+TP09
+
+I-
+
+[yolou@archlinux TREE]$ mkdir lib/kernel/config/AA && mkdir lib/kernel/config/AA/BB && mkdir lib/kernel/config/AA/BB/DD && mkdir lib/kernel/config/AA/BB/DD/YY && mkdir lib/kernel/config/AA/BB/CC && mkdir lib/kernel/config/AA/BB/CC/XX
+
+1)
+
+[yolou@archlinux TREE]$ find -name "*.install" -type d
+./lib/krb5/plugins/custom.install
+
+la commande find permet trouver les fichier a parti d'un bout de l'expression / d'éleemnt donné (-type d permet de preciser le type de fichier trouve soit file ou directory) (l'option -name permet nous donne les noms de repertoires dans l'arborescence du repectoire courant).
+
+2)
+
+[yolou@archlinux TREE]$ find -name "*.d" -type f
+./lib/auth/transm.d
+
+Explication : A peu près l'explication précédente, ici -type d permet de preciser le type de fichier trouve soit file ou directory).
+
+3) [yolou@archlinux TREE]$ find -empty -type d
+./lib/kernel/config/AA/BB/DD/YY
+./lib/kernel/config/AA/BB/CC/XX
+./lib/krb5/plugins/custom.install
+
+Explication : -empty l'option permet montrer les fichiers ou repertoires vide.
+
+4) 
+[yolou@archlinux TREE]$ find . -size -1000c -type f
+./lib/kernel/install.d/50-depmod.install
+./lib/kernel/install.d/50-mkinitcpio.install
+./lib/krb5/synch/atom.install
+./lib/krb5/synch/settings.sh
+./lib/auth/transm.d
+
+Explication : l'option -size permet de preciser la taille en octet du fichier ou repertoire trouvé et l'opérateur - ou + permet d'effectuer une comparaison dans ce cas trouver les fichier inférieur à 1000 bytes (-1000) en précisant la lettre c on indique le l'unité est l'octet 
+
+5) [yolou@archlinux TREE]$ find -size +30000c -type f
+./lib/krb5/plugins/preauth/pkinit.so
+./lib/krb5/plugins/kdb/db2.so
+
+Explication : l'option -size permet de preciser la taille en octet du fichier ou repertoire trouvé et l'opérateur - ou + permet d'effectuer une comparaison dans ce cas trouver les fichiers supérieur à 30000 bytes (+30000) en précisant la lettre c on indique le l'unité est l'octet 
+
+6)
+[yolou@archlinux TREE]$ find -size 1024c -type f
+./lib/krb5/plugins/play.in
+
+Explication : l'option -size permet de preciser la taille en octet du fichier ou repertoire trouvé et l'opérateur - ou + permet d'effectuer une comparaison dans ce cas trouver les fichiers égale à 1024 bytes (1024) en précisant la lettre c on indique le l'unité est l'octet
\ No newline at end of file