for loop with net cat
Small little for loop with Net Cat >> for i in {1..1024}; do nc -zv -w 1 x.x.x.x $i; done
A nested for loop with Net Cat >> for a in $(cat ips.txt); do for p in {22,389}; do nc -zvw1 $a $p; done done
print IP and port status >> for a in $(cat ips.txt); do for p in 22 389; do echo -n "$a:$p -> "; if nc -znvw1 "$a" "$p" >/dev/null 2>&1; then echo open; else echo closed; fi; done; echo; done
Remove command history entry
for n in $(seq 550 -1 530); do history -d $n; done