to find the last login time on a linux system simply run this command:
finger 'sort /etc/passwd | cut -f1 -d":"' | grep -i log | grep -i -B 1 last
to find the last login time on a linux system simply run this command:
finger 'sort /etc/passwd | cut -f1 -d":"' | grep -i log | grep -i -B 1 last