爲了實驗,創建5個用戶 user01 user02 user03 user04 user05,其中user02的shell是/sbin/nologin,並且沒有密碼,user03沒有密碼,user05的shell是/sbin/nologin
grep user0 /etc/passwd | awk -F \: '{print $1,$7}' >> boss1.txt
grep user0 /etc/shadow | awk -F \: '{print $2}' >> boss2.txt
paste boss1.txt boss2.txt >> boss3.txt
cat boss3.txt | grep -vE "\!|nologin" >> boss.txt