diff --git a/cluster/sge.enable.host.queue.sh b/cluster/sge.enable.host.queue.sh
index 049642b..7b17cd8 100755
--- a/cluster/sge.enable.host.queue.sh
+++ b/cluster/sge.enable.host.queue.sh
@@ -136,6 +136,8 @@ ${sge_hostname} is not the current host."
 
 	## List of files to monitor
 	file_nologin_path="/etc/nologin"
+	cluster_dir="/opt/ipr/cluster"
+	sge_queue_flag_pattern="${cluster_dir}/.sge.*.disable"
 }
 # }}}
 is_current_host() {                                             # {{{
@@ -224,25 +226,48 @@ procs running (with the pattern: ${RED}${local_proc_pattern}${COLOR_DEBUG}) on t
 # }}}
 is_file_present() {                                      # {{{
 
-	local_file_path="${1}"
+	local_file_present="${1}"
 
 	## File doesn't exist by default
 	return_is_file_present="1"
 
 	### Check if the file exists
 	# shellcheck disable=SC2086
-	if find ${local_file_path} > /dev/null 2>&1; then
+	if find ${local_file_present} > /dev/null 2>&1; then
 		return_is_file_present="0"
 		debug_message "is_file_present − \
-The file ${RED}${local_file_path}${COLOR_DEBUG} exists."
+The file ${RED}${local_file_present}${COLOR_DEBUG} exists."
 	else
 		return_is_file_present="1"
 		debug_message "is_file_present − \
-The file ${RED}${local_file_path}${COLOR_DEBUG} doesn't exist."
+The file ${RED}${local_file_present}${COLOR_DEBUG} doesn't exist."
 	fi
 
 	return "${return_is_file_present}"
 
+}
+# }}}
+is_file_absent() {                                      # {{{
+
+	local_file_absent="${1}"
+
+	## File exists by default
+	return_is_file_absent="1"
+
+	### Check if the file exists
+	# shellcheck disable=SC2086
+	if find ${local_file_absent} > /dev/null 2>&1; then
+		return_is_file_absent="1"
+		debug_message "is_file_absent − \
+The file ${RED}${local_file_absent}${COLOR_DEBUG} exists."
+	else
+		return_is_file_absent="0"
+		debug_message "is_file_absent − \
+The file ${RED}${local_file_absent}${COLOR_DEBUG} doesn't exist."
+	fi
+
+	return "${return_is_file_absent}"
+
 }
 # }}}
 is_queue_enable() {                                             # {{{
@@ -397,6 +422,11 @@ main() {                                                        # {{{
 		### Exit
 		is_file_present "${file_nologin_path}" \
 			&& exit 0
+
+		## If all SGE queue(s) were manually disabled
+		### Exit
+		is_file_absent "${sge_queue_flag_pattern}" \
+			|| exit 0
 	fi
 
 	## Simple debug message with color to valid current variables