1. file
[root@localhost dev]# file -s /dev/sda1
/dev/sda1: Linux rev 1.0 ext4 filesystem data (extents) (huge files)


2.parted
[root@localhost dev]# parted /dev/sda
GNU Parted 1.8.8
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sda: 21.5GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number??Start? ?End? ???Size? ? Type? ???File system??Flags
1? ?? ?32.3kB??206MB? ?206MB? ?primary??ext3? ?? ?? ?boot
2? ?? ?206MB? ?21.5GB??21.3GB??primary? ?? ?? ?? ?? ?lvm


3.fdisk
[root@localhost dev]# fdisk -l /dev/sda
Disk /dev/sda: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0007c1e8
? ?Device Boot? ?? ?Start? ?? ?? ?End? ?? ?Blocks? ?Id??System
/dev/sda1? ?*? ?? ?? ???1? ?? ?? ? 25? ?? ?200781? ?83??Linux
/dev/sda2? ?? ?? ?? ???26? ?? ???2610? ? 20764012+??8e??Linux LVM




需要挂载才能查看的命令：

1.mount
[root@localhost dev]# mount
/dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)
/proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/sda1 on /boot type ext3 (rw)
tmpfs on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)


2.df
[root@localhost dev]# df -T
Filesystem? ? Type? ?1K-blocks? ?? ?Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
? ?? ?? ?? ???ext3? ? 18320140? ?3426724??13962808??20% /
/dev/sda1? ???ext3? ?? ?194442? ???13480? ? 170923? ?8% /boot
tmpfs? ?? ???tmpfs? ?? ?516908? ?? ?? ?0? ? 516908? ?0% /dev/shm


3.stat
[root@localhost /]# stat -f bin
??File: "bin"
? ? ID: 3ef5d5f4a8cc1340 Namelen: 255? ???Type: ext2/ext3
Block size: 4096? ?? ? Fundamental block size: 4096
Blocks: Total: 4580035? ? Free: 3723354? ? Available: 3490702
Inodes: Total: 1163264? ? Free: 1044678