linux day6 练习作业
# 使用一条命令,
创建出下面的所有目录
/home/zls
/home/zls/test1
/home/zls/test2
/home/oldboy
/home/oldboy/test1
/tmp/oldboy
/tmp/oldgirl
/root/test/test1
/root/test/test2
/root/abc
/backup
[] # mkdir -pv ./{home/{zls/test{1,2},oldboy/test1},tmp/old{boy,gir1},root/{test/test{1,2},abc},backup}