在Linux系统中,ls和ll命令都可以用于列出当前目录下的文件以及子目录

在Linux系统中,ls和ll命令都可以用于列出当前目录下的文件以及子目录。它们的区别在于:

  • ls是一个标准的Linux命令,只列出文件和目录的基本属性信息(如名称、权限等)。
  • 而ll实际上是一个alias(别名),它会以长格式(long format)列出文件和目录的详细信息,包括权限、所有者、所属组、文件大小、创建时间等。

下面是一些使用ls和ll命令的案例:

  1. 列出当前目录下的文件和子目录
$ ls
file.txt
dir1/
dir2/
  1. 列出当前目录下的文件和子目录,且显示其详细信息
$ ll
-rw-r--r-- 1 user user 1024 May 25 11:20 file.txt
drwxr-xr-x 2 user user 4096 May 25 11:21 dir1
drwxr-xr-x 3 user user 4096 May 25 11:23 dir2

其中,第一个字符表示文件类型(d表示目录,-表示普通文件),接着的九个字符分别表示文件/目录的权限,接着是该文件/目录的所属用户、所属组、大小和创建日期等信息。

  1. 列出指定目录下的文件和子目录,并按照日期排序
$ ls -lt /home/user
drwxr-xr-x 3 root  root  4096 May 21 10:34 Documents
drwxr-xr-x 4 user1 user1 4096 May 18 09:22 Downloads
drwxr-xr-x 2 root  root  4096 May 17 14:20 Pictures
-rw-r--r-- 1 user  user  1024 May 15 13:46 file.txt

其中,-l选项表示以长格式列出,-t则表示按照文件修改时间倒序排列。

总之,ls和ll都是常用的Linux命令,可根据实际需要选择合适的命令和参数来显示所需的信息。

本文作者:Journey&Flower

本文链接:https://www.cnblogs.com/JourneyOfFlower/p/17434983.html

版权声明:本作品采用知识共享署名-非商业性使用-禁止演绎 2.5 中国大陆许可协议进行许可。

posted @   Journey&Flower  阅读(403)  评论(0编辑  收藏  举报
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