shell学习记录---5

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[root@localhost Exercise]# nohup find / -nouser -print >/info.txt &

[root@localhost Exercise]# find ./ -mtime -5 -print

5天内；

[root@localhost Exercise]# find ./ -mtime +3 -print

3天前改变；



｛｝和 \之间记得空格；

[root@localhost Exercise]# chmod 777 hello.txt
[root@localhost Exercise]# find ./ -perm -7 -print
./hello.txt
[root@localhost Exercise]# find ./ -perm -7 -print |xargs chmod o-w
[root@localhost Exercise]# find ./ -perm -7 -print
[root@localhost Exercise]# ls -l hello.txt
-rwxrwxr-x 1 root root 20 Nov 28 11:53 hello.txt
[root@localhost Exercise]#

^[^d]不是d的目录；

^[^dlp]不是d ，l，p的目录；



500--599的文件.



IP地址；



多少行.