The command stat displays file properties:

$ stat xml-doc.txt
  File: `xml-doc.txt'
  Size: 632             Blocks: 8          IO Block: 4096   regular file
Device: eh/14d  Inode: 5938009     Links: 1
Access: (0644/-rw-r--r--)  Uid: (11994/      jj)   Gid: (   50/    suse)
Access: 2004-04-27 20:08:58.000000000 +0200
Modify: 2003-06-03 15:29:34.000000000 +0200
Change: 2003-07-23 17:48:27.000000000 +0200

The parameter --filesystem produces details of the properties of the file system in which the specified file is located:

 $ stat  . --filesystem
  File: "."
    ID: 0        Namelen: 255     Type: ext2/ext3
Blocks: Total: 19347388   Free: 17831731   Available: 16848938   Size: 4096
Inodes: Total: 9830400    Free: 9663967

If you use the z shell (zsh), you must enter /usr/bin/stat, because the z shell has a shell built-in stat with different options and a different output format:

% type stat
stat is a shell builtin
% stat .
device  769
inode   4554808
mode    16877
nlink   12
uid     11994
gid     50
rdev    0
size    4096
atime   1091536882
mtime   1091535740
ctime   1091535740
blksize 4096
blocks  8
link