diff --git a/bench.sh b/bench.sh
index 7babcc3..0cb59f5 100644
--- a/bench.sh
+++ b/bench.sh
@@ -6,18 +6,11 @@
 #   Visit:  https://teddysun.com                               #
 #==============================================================#
 
-cname=$( awk -F: '/model name/ {name=$2} END {print name}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//' )
-cores=$( awk -F: '/model name/ {core++} END {print core}' /proc/cpuinfo )
-freq=$( awk -F: '/cpu MHz/ {freq=$2} END {print freq}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//' )
-tram=$( free -m | awk '/Mem/ {print $2}' )
-swap=$( free -m | awk '/Swap/ {print $2}' )
-up=$( awk '{a=$1/86400;b=($1%86400)/3600;c=($1%3600)/60;d=$1%60} {printf("%ddays, %d:%d:%d\n",a,b,c,d)}' /proc/uptime )
-opsy=$( cat /etc/issue.net | awk 'NR==1 {print}' )
-arch=$( uname -m )
-lbit=$( getconf LONG_BIT )
-host=$( hostname )
-kern=$( uname -r )
-ipv6=$( wget -qO- -t1 -T2 ipv6.icanhazip.com )
+get_opsy() {
+    [ -f /etc/os-release ] && awk -F'[= "]' '/PRETTY_NAME/{print $3,$4,$5}' && return
+    [ -f /etc/lsb-release ] && awk -F'[="]+' '/DESCRIPTION/{print $2}' /etc/lsb-release && return
+    [ -f /etc/redhat-release ] && awk '{print ($1,$3~/^[0-9]/?$3:$4)}' /etc/redhat-release && return
+}
 
 next() {
     printf "%-70s\n" "-" | sed 's/\s/-/g'
@@ -86,6 +79,19 @@ io_test() {
     (dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync && rm -f test_$$ ) 2>&1 | awk -F, '{io=$NF} END { print io}' | sed 's/^[ \t]*//;s/[ \t]*$//'
 }
 
+cname=$( awk -F: '/model name/ {name=$2} END {print name}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//' )
+cores=$( awk -F: '/model name/ {core++} END {print core}' /proc/cpuinfo )
+freq=$( awk -F: '/cpu MHz/ {freq=$2} END {print freq}' /proc/cpuinfo | sed 's/^[ \t]*//;s/[ \t]*$//' )
+tram=$( free -m | awk '/Mem/ {print $2}' )
+swap=$( free -m | awk '/Swap/ {print $2}' )
+up=$( awk '{a=$1/86400;b=($1%86400)/3600;c=($1%3600)/60;d=$1%60} {printf("%ddays, %d:%d:%d\n",a,b,c,d)}' /proc/uptime )
+opsy=$( get_opsy )
+arch=$( uname -m )
+lbit=$( getconf LONG_BIT )
+host=$( hostname )
+kern=$( uname -r )
+ipv6=$( wget -qO- -t1 -T2 ipv6.icanhazip.com )
+
 clear
 next
 echo "CPU model            : $cname"