diff --git a/init.sh b/init.sh
index 85df625..99b42d9 100755
--- a/init.sh
+++ b/init.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # ------------------------------------------------------------------------------
 # Init.sh: initialise a computer and conform it
 # Copyright (c) 2019-2021 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
diff --git a/lib/aaa_errors.sh b/lib/aaa_errors.sh
index 3909ed1..8050a7b 100644
--- a/lib/aaa_errors.sh
+++ b/lib/aaa_errors.sh
@@ -85,7 +85,9 @@ function backtrace
 # Test and exit if not root (or any UID 0 user)
 check_root()
 {
-    [[ $NO_ROOT_CHECK == true ]] && return 0
+    if [[ $NO_ROOT_CHECK == true ]]; then
+        return 0
+    fi
     if [[ $EUID -ne 0 ]]; then
         prnt E "Ce script doit être démarré en tant que root. Arrêt."
         die 4 --force
diff --git a/lib/filefct.sh b/lib/filefct.sh
index 9fcc108..ecbd8b7 100644
--- a/lib/filefct.sh
+++ b/lib/filefct.sh
@@ -23,9 +23,10 @@ export -f stdtime
 # (or any old files if runned several time on same file)
 backupdist()
 {
-    [[ $# -lt 1 ]] &&
-        prnt E "backupdist(): At least one argument is required." &&
+    if [[ $# -lt 1 ]]; then
+        prnt E "backupdist(): At least one argument is required."
         exit 11
+    fi
 
     for file in $@; do
         if [[ -f ${file} ]]; then
@@ -53,14 +54,14 @@ installfile()
     local filelist=""
     local i=0
 
-    [[ $# -lt 2 ]] && (
+    if [[ $# -lt 2 ]]; then
         prnt E "installfile(): At least two arguments are required."
         die 11
-    )
-    [[ $(echo $@ | grep "\*\|\?") ]] && (
+    fi
+    if [[ $(echo $@ | grep "\*\|\?") ]]; then
         prnt E "installfile(): Wildcards are not authorized."
         die 7
-    )
+    fi
 
     for arg in $@; do
         if [[ -f $MYPATH/repo/hosts/$HOSTNAME/$arg ]]; then
diff --git a/lib/pkgman.sh b/lib/pkgman.sh
index f462f0d..8a44692 100644
--- a/lib/pkgman.sh
+++ b/lib/pkgman.sh
@@ -24,7 +24,10 @@ export -f pkgupdt
 pkginst()
 {
     prnt I "Installation de paquets..."
-    [[ $# -lt 1 ]] && prnt E "pkginst(): des paramètres sont requis." && exit 11
+    if [[ $# -lt 1 ]]; then
+        prnt E "pkginst(): des paramètres sont requis."
+        exit 11
+    fi
     if [[ ! $INSTALL_MODE == dev ]]; then
         $PKG_MAN $COM_INSTALL $@
     else
@@ -51,7 +54,10 @@ export -f pkgupgd
 pkgrem()
 {
     prnt I "Désinstallation de paquets..."
-    [[ $# -lt 1 ]] && prnt E "pkgrem(): des paramètres sont requis." && exit 11
+    if [[ $# -lt 1 ]]; then
+        prnt E "pkgrem(): des paramètres sont requis."
+        exit 11
+    fi
     if [[ ! $INSTALL_MODE == dev ]]; then
         $PKG_MAN $COM_REMOVE $@
     else
diff --git a/lib/services.sh b/lib/services.sh
index 2450f41..19126ef 100644
--- a/lib/services.sh
+++ b/lib/services.sh
@@ -14,10 +14,10 @@
 # Syntax exec_serv svcname command
 exec_serv()
 {
-    [[ $# -lt 2 ]] && (
+    if [[ $# -lt 2 ]]; then
         prnt E "exec_serv(): Erreur de syntaxe !"
         exit 11
-    )
+    fi
 
     local svcname=$1 command=$2
     shift 2
diff --git a/lib/support.sh b/lib/support.sh
index 8e91033..e3969ec 100644
--- a/lib/support.sh
+++ b/lib/support.sh
@@ -76,8 +76,9 @@ show_version()
         local version=VER_$modname
         echo -e "\t$BWhite$modname${DEFAULTCOL}: $BGreen${!version}$DEFAULTCOL"
     done
-    [[ $EUID -ne 0 ]] &&
+    if [[ $(id -u) -ne 0 ]]; then
         echo -e "\n${BYellow}Attention :$DEFAULTCOL Ce script requiert les droits d'administration pour fonctionner."
+    fi
 }
 
 
diff --git a/lib/zzz_main_fct.sh b/lib/zzz_main_fct.sh
index 5d01785..4c613dc 100644
--- a/lib/zzz_main_fct.sh
+++ b/lib/zzz_main_fct.sh
@@ -101,7 +101,8 @@ read_commandline()
     done
 
     # If those var are true at that point, something is wrong
-    if [[ $want_logfile == true ]] || [[ $want_module == true ]] || [[ $want_conffile == true ]]; then
+    if [[ $want_logfile == true ]] || [[ $want_module == true ]] ||
+    [[ $want_conffile == true ]]; then
         syntax_error
     fi
 }
@@ -149,28 +150,28 @@ process_commandline_and_vars()
 {
     # Check unconsistant parameters
     if [[ $CHECK_ONLY == true ]]; then
-        [[ $JUMP == true ]] && (
+        if [[ $JUMP == true ]]; then
             prnt E "Les options --check-only et --jump s'excluent mutuellement !"
             die 1 --force
-        )
-        [[ $KEEPGOING == true ]] && (
+        fi
+        if [[ $KEEPGOING == true ]]; then
             prnt E "Les options --keep-going et --check-only sont incompatible !"
             die 1 --force
-        )
+        fi
     fi
     if [[ $RESUME == true ]]; then
-        [[ $CHECK_ONLY == true ]] && (
+        if [[ $CHECK_ONLY == true ]]; then
             prnt E "La reprise n'a pas de sens avec --check-only."
             die 1 --force
-        )
-        [[ $MANUAL_MODULE_LIST ]] && (
+        fi
+        if [[ $MANUAL_MODULE_LIST ]]; then
             prnt E "Le mode reprise ne fonctionne pas avec une liste de modules passé manuellement."
             die 1 --force
-        )
+        fi
     fi
 
     # Configure module list
-    if [[ $MANUAL_MODULE_LIST ]]; then
+    if [[ -n $MANUAL_MODULE_LIST ]]; then
         prnt W "Une liste de modules manuelle sera utilisé."
         export MODULE_LIST=$(echo $MANUAL_MODULE_LIST | sed "s/,/ /g")
     fi
diff --git a/mk_archive.sh b/mk_archive.sh
index 55f66ce..bd77992 100755
--- a/mk_archive.sh
+++ b/mk_archive.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # ------------------------------------------------------------------------------
 # That script is used to create an archive for init.sh deployment
 # This file is part of the init.sh project
diff --git a/modules/conf_mail.sh b/modules/conf_mail.sh
index 2edb150..c991fa5 100644
--- a/modules/conf_mail.sh
+++ b/modules/conf_mail.sh
@@ -29,10 +29,10 @@ conf_mail()
 
 precheck_conf_mail()
 {
-    [[ -n $MAINDOM ]] && (
+    if [[ -n $MAINDOM ]]; then
         prnt E "Aucun domaine principal renseigné."
         die 158
-    )
+    fi
 }
 
 export -f conf_mail
diff --git a/modules/install_desktop.sh b/modules/install_desktop.sh
index 0be24a4..5846ad5 100644
--- a/modules/install_desktop.sh
+++ b/modules/install_desktop.sh
@@ -19,12 +19,14 @@ export VER_install_desktop="0.0.2"
 
 install_desktop()
 {
-    [[ $X11_DRV ]] &&
-        prnt I "Installation de pilotes supplémentaires X11..." &&
+    if [[ -n $X11_DRV ]]; then
+        prnt I "Installation de pilotes supplémentaires X11..."
         pkginst $X11_DRV
-    [[ $UBUNTU_FLAVOR ]] &&
-        prnt I "Installation de l'environnement $UBUNTU_FLAVOR..." &&
+    fi
+    if [[ $UBUNTU_FLAVOR ]]; then
+        prnt I "Installation de l'environnement $UBUNTU_FLAVOR..."
         pkginst ${UBUNTU_FLAVOR}-desktop
+    fi
 }
 
 precheck_install_desktop()
diff --git a/modules/install_mkagent.sh b/modules/install_mkagent.sh
index 6d7b84d..c8e51ce 100644
--- a/modules/install_mkagent.sh
+++ b/modules/install_mkagent.sh
@@ -25,14 +25,14 @@ install_mkagent()
 
 precheck_install_mkagent()
 {
-    [[ -n $MKVERSION ]] && (
+    if [[ -n $MKVERSION ]]; then
         prnt E "Undeclared check_mk version of the agent to install."
         die 162
-    )
-    [[ -n $MK_SERVER ]] && (
+    fi
+    if [[ -n $MK_SERVER ]]; then
         prnt E "Undeclared check_mk server."
         die 162
-    )
+    fi
 }
 
 export -f install_mkagent
diff --git a/modules/install_pkg.sh b/modules/install_pkg.sh
index c3b0821..aecb492 100644
--- a/modules/install_pkg.sh
+++ b/modules/install_pkg.sh
@@ -18,9 +18,10 @@ export VER_install_pkg="0.1.1"
 install_pkg()
 {
     # Remove unnecessary packages
-    [[ -n $PKGS_RMLIST  ]] &&
-        prnt I "Suppression de paquets supperflus..." &&
+    if [[ -n $PKGS_RMLIST  ]]; then
+        prnt I "Suppression de paquets supperflus..."
         pkgrem $PKGS_RMLIST
+    fi
 
     # Blacklist some anoying packages (and remove them if needed)
     if [[ -n PKGS_BLACKLIST ]]; then
@@ -36,10 +37,11 @@ install_pkg()
     fi
 
     # Install all the configured packages
-    [[ -n $PKGSEL ]] &&
-        prnt I "Installation de la sélection de paquets..." &&
+    if [[ -n $PKGSEL ]]; then
+        prnt I "Installation de la sélection de paquets..."
         pkginst $PKGSEL
-
+    fi
+    
     # Cleaning
     prnt I "Suppression des paquets résiduels le cas échéant..."
     pkgautorem
@@ -52,8 +54,11 @@ precheck_install_pkg()
     else
         prnt I "$(echo $PKGS_RMLIST | wc -w) paquets à supprimer."
     fi
-    [[ -z PKGS_BLACKLIST ]] &&
+    
+    if [[ -z PKGS_BLACKLIST ]]; then
         prnt W "Les paquets $pkg seront placés en liste noire !"
+    fi
+    
     if [[ -z $PKGSEL ]]; then
         prnt W "Pas de paquet additionel à installer !"
     else
diff --git a/modules/patch_snmp.sh b/modules/patch_snmp.sh
index e13d24c..c6c4f2a 100644
--- a/modules/patch_snmp.sh
+++ b/modules/patch_snmp.sh
@@ -16,9 +16,10 @@ patch_snmp()
         /lib/systemd/system/snmpd.service /etc/init.d/snmpd
     installfile snmpd.conf /etc/snmp/snmpd.conf
     installfile snmpd.init /etc/init.d/snmpd
-    [[ -e /lib/systemd/system/snmpd.service ]] &&
-        installfile snmpd.service /lib/systemd/system/snmpd.service &&
+    if [[ -e /lib/systemd/system/snmpd.service ]]; then
+        installfile snmpd.service /lib/systemd/system/snmpd.service
         systemctl daemon-reload
+    fi
     svc_restart snmpd
 }