sp; 0 206428 0% /dev/shm
du :统计目录或文件所占磁盘空间的大小
fdisk :查看磁盘分区情况及对硬盘进行分区管理
[root@localhost root]# fdisk -l
Disk /dev/sda: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 19 152586 83 Linux
/dev/sda2 20 84 522112+ 82 Linux swap
/dev/sda3 85 1305 9807682+ 83 Linux 使用fdisk必须拥有root的权限
[lammy@localhost lammy]$ fdisk -l
-bash: fdisk: command not foundmount :磁盘挂载
[
root@localhost root]# mount -l //列出以挂载的设备,文件系统名称和挂载点
/dev/sda3 on / type ext3 (rw) [/]
none on /proc type proc (rw)
usbdevfs on /proc/bus/usb type usbdevfs (rw)
/dev/sda1 on /boot type ext3 (rw) [/boot]
none on /dev/pts type devpts (rw,gid=5,mode=620)
none on /dev/shm type tmpfs (rw)
none on /proc/fs/vmblock/mountPoint type vmblock (rw)cd :更改工作路径
cd -可以回到前次工作目录
./代表当前目录, ../代表上级目录
ls :列出目录内容
[root@localhost /]# ls &nbs