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1、简介

     stat程序可以显示文件或者文件系统的信息。

2、参数

Usage: stat [OPTION] FILE...  

Display file or filesystem status.     -f, --filesystem      display filesystem status instead of file status     -c  --format=FORMAT   use the specified FORMAT instead of the default     -L, --dereference     follow links     -Z, --context         print the security context information if available     -t, --terse           print the information in terse form         --help     display this help and exit         --version  output version information and exit          The valid format sequences for files (without --filesystem):     %A   Access rights in human readable form     %a   Access rights in octal     %B   The size in bytes of each block reported by `%b'     %b   Number of blocks allocated (see %B)     %D   Device number in hex     %d   Device number in decimal     %F   File type     %f   Raw mode in hex     %G   Group name of owner     %g   Group ID of owner     %h   Number of hard links     %i   Inode number     %N   Quoted File name with dereference if symbolic link     %n   File name     %o   IO block size     %s   Total size, in bytes     %T   Minor device type in hex     %t   Major device type in hex     %U   User name of owner     %u   User ID of owner     %X   Time of last access as seconds since Epoch     %x   Time of last access     %Y   Time of last modification as seconds since Epoch     %y   Time of last modification     %Z   Time of last change as seconds since Epoch     %z   Time of last change      Valid format sequences for file systems:     %a   Free blocks available to non-superuser     %b   Total data blocks in file system     %c   Total file nodes in file system     %d   Free file nodes in file system     %f   Free blocks in file system     %C - Security context in SELinux     %i   File System id in hex     %l   Maximum length of filenames     %n   File name     %s   Optimal transfer block size     %T   Type in human readable form     %t   Type in hex  

3、示例

1）显示指定文件的状态信息

stat /root/.bashrc 

  File: `/root/.bashrc'   Size: 470             Blocks: 8          IO Block: 4096   regular file Device: 301h/769d       Inode: 2195486     Links: 1 Access: (0644/-rw-r--r--)  Uid: (    0/    root)   Gid: (    0/    root) Access: 2013-05-27 23:36:35.000000000 +0800 Modify: 2013-04-06 10:37:03.000000000 +0800 Change: 2013-04-06 10:37:03.000000000 +0800

2）显示文件系统状态信息

 stat -f /root/.bashrc 

  File: "/root/.bashrc"     ID: 0        Namelen: 255     Type: ext2/ext3 Block size: 4096       Fundamental block size: 4096 Blocks: Total: 5077005    Free: 4277190    Available: 4015131 Inodes: Total: 5242880    Free: 5132870

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