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1. mount
[op@TIM ~]$ mount
/dev/mapper/vg_tim-lv_root on / type ext4 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw)
/dev/sda2 on /boot type ext4 (rw)
/dev/sda1 on /boot/efi type vfat (rw,umask=0077,shortname=winnt)
/dev/mapper/vg_tim-lv_home on /home type ext4 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
none on /sys/kernel/config type configfs (rw)
vmware-vmblock on /var/run/vmblock-fuse type fuse.vmware-vmblock (rw,nosuid,nodev,default_permissions,allow_other)
2.df
[op@TIM ~]$ df -lhT
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/vg_tim-lv_root
ext4 50G 17G 30G 36% /
tmpfs tmpfs 3.9G 232K 3.9G 1% /dev/shm
/dev/sda2 ext4 477M 73M 379M 17% /boot
/dev/sda1 vfat 200M 260K 200M 1% /boot/efi
/dev/mapper/vg_tim-lv_home
ext4 860G 726G 90G 90% /home
3. fdisk
[op@TIM ~]$ sudo fdisk /dev/sda
[sudo] password for op:
WARNING: GPT (GUID Partition Table) detected on ‘/dev/sda‘! The util fdisk doesn‘t support GPT. Use GNU Parted.
The device presents a logical sector size that is smaller than
the physical sector size. Aligning to a physical sector (or optimal
I/O) size boundary is recommended, or performance may be impacted.
WARNING: DOS-compatible mode is deprecated. It‘s strongly recommended to
switch off the mode (command ‘c‘) and change display units to
sectors (command ‘u‘).
Command (m for help): c
DOS Compatibility flag is not set
Command (m for help): u
Changing display/entry units to sectors
Command (m for help): p
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x2e31a2a6
Device Boot Start End Blocks Id System
/dev/sda1 1 1953525167 976762583+ ee GPT
Partition 1 does not start on physical sector boundary.
Command (m for help): q
4. file
[op@TIM ~]$ sudo file -s /devsda
/devsda: cannot open `/devsda‘ (No such file or directory)
[op@TIM ~]$ sudo file -s /dev/sda
/dev/sda: x86 boot sector; partition 1: ID=0xee, starthead 0, startsector 1, 1953525167 sectors, extended partition table (last)\011, code offset 0x0
[op@TIM ~]$ sudo file -s /dev/sda1
/dev/sda1: x86 boot sector, mkdosfs boot message display, code offset 0x3c, OEM-ID " mkdosfs", sectors/cluster 8, root entries 512, Media descriptor 0xf8, sectors/FAT 200, heads 255, sectors 409600 (volumes > 32 MB) , serial number 0x88645772, label: " ", FAT (16 bit)
[op@TIM ~]$ sudo file -s /dev/sda2
/dev/sda2: Linux rev 1.0 ext4 filesystem data (needs journal recovery) (extents) (huge files)
[op@TIM ~]$ sudo parted
GNU Parted 2.1
Using /dev/sda
Welcome to GNU Parted! Type ‘help‘ to view a list of commands.
(parted) p
Model: ATA ST1000DM003-1ER1 (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Number Start End Size File system Name Flags
1 1049kB 211MB 210MB fat16 boot
2 211MB 735MB 524MB ext4
3 735MB 1000GB 999GB lvm
(parted) q
6. 查看 fstab
[op@TIM ~]$ cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Tue Mar 24 02:21:26 2015
#
# Accessible filesystems, by reference, are maintained under ‘/dev/disk‘
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
/dev/mapper/vg_tim-lv_root / ext4 defaults 1 1
UUID=2ce8837b-3cdc-44f0-8b8f-63b64c32a5b9 /boot ext4 defaults 1 2
UUID=8864-5772 /boot/efi vfat umask=0077,shortname=winnt 0 0
/dev/mapper/vg_tim-lv_home /home ext4 defaults 1 2
/dev/mapper/vg_tim-lv_swap swap swap defaults 0 0
/dev/sdc1 /mnt/mobiledisk ntfs-3g defaults 0 0
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
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原文地址：http://www.cnblogs.com/x113/p/4693532.html
