ryoo14

grep -r '#!/bin/bash' /etc 2> /dev/null | sed 's/:.*$//' | while read line;do sed 's;#!/bin/bash;#!/usr/local/bin/bash;' $line > ~/hoge/$(basename $line) ;done

ryoo14

cut -d":" -f7 /etc/passwd | grep -E '(sh$|in$)' | sort | uniq -c

ryoo14

cut -d":" -f1 /etc/passwd

ryoo14

#!/usr/bin/env python3
#coding: utf-8
for x in range(1, 100):
    flag = x > 1
    for y in range(2, x+1):
        if x % y == 0:
            if x != y:
                flag = 0
                break
    print('jojo!!' if flag else x)