linux笔记_day03

1.命令行展开{}

　　　　mkdir -p a/b/{c,d/e}

2.-v verbose 详细的

3.touch

       touch - change file timestamps

4.stat 文件  显示文件的详细信息（三个时间戳）

[[email protected] eric opt]# stat jdk-8u131-linux-x64.tar.gz
  File: `jdk-8u131-linux-x64.tar.gz‘
  Size: 185540433 	Blocks: 362384     IO Block: 4096   regular file
Device: 802h/2050d	Inode: 261639      Links: 1
Access: (0744/-rwxr--r--)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2017-05-11 06:48:25.341471779 -0700
Modify: 2017-05-11 06:48:34.635471851 -0700
Change: 2017-05-11 06:48:34.635471851 -0700
[[email protected] eric opt]#

5.cp

　　-r 递归复制一个目录

[[email protected] eric tmp]# cp -rv /opt/ /tmp/
`/opt/‘ -> `/tmp/opt‘
`/opt/jdk-8u131-linux-x64.tar.gz‘ -> `/tmp/opt/jdk-8u131-linux-x64.tar.gz‘
`/opt/rh‘ -> `/tmp/opt/rh‘
`/opt/yes‘ -> `/tmp/opt/yes‘

-p 保留属主（preserve）

-a archive 归档复制，常用于备份

-a, --archive
              same as -dR --preserve=all
 -d     same as --no-dereference --preserve=links
-P, --no-dereference
              never follow symbolic links in SOURCE
-R, -r, --recursive
              copy directories recursively

6.install

　　-d DIRECTORY...创建目录

　　SRC DES 复制

　　-t DIRECTORY SRC

　　只能复制文件，不可以是目录