ubuntu 常用指令
一、查看硬盘信息
- 显示所有硬盘及分区列表
sudo fdisk -l
- 查看块设备详细信息
lsblk
输出示例：
hc@hc-desktop:/home/algo_1$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 4K 1 loop /snap/bare/5
loop1 7:1 0 63.8M 1 loop /snap/core20/2496
loop2 7:2 0 12.2M 1 loop /snap/snap-store/1216
loop3 7:3 0 63.8M 1 loop /snap/core20/2501
loop4 7:4 0 73.9M 1 loop /snap/core22/1908
loop5 7:5 0 44.5M 1 loop /snap/snapd/23771
loop6 7:6 0 73.9M 1 loop /snap/core22/1802
loop7 7:7 0 346.3M 1 loop /snap/gnome-3-38-2004/119
loop8 7:8 0 91.7M 1 loop /snap/gtk-common-themes/1535
loop9 7:9 0 516M 1 loop /snap/gnome-42-2204/202
loop10 7:10 0 349.7M 1 loop /snap/gnome-3-38-2004/143
loop11 7:11 0 49.9M 1 loop /snap/snapd/18357
loop12 7:12 0 46M 1 loop /snap/snap-store/638
sda 8:0 1 7T 0 disk
├─sda1 8:1 1 512M 0 part /boot/efi
└─sda2 8:2 1 7T 0 part /
sdb 8:16 1 7T 0 disk
sdc 8:32 1 7T 0 disk
sdd 8:48 1
- 查看已挂载硬盘分区的磁盘空间
# 总容量、已用空间、剩余空间、挂载点路径
df-h
输出示例
hc@hc-desktop:/home/algo_1$ df -h
Filesystem Size Used Avail Use% Mounted on
udev 252G 0 252G 0% /dev
tmpfs 51G 32M 51G 1% /run
/dev/sda2 7.0T 162G 6.5T 3% /
tmpfs 252G 0 252G 0% /dev/shm
tmpfs 5.0M 4.0K 5.0M 1% /run/lock
tmpfs 252G 0 252G 0% /sys/fs/cgroup
/dev/loop0 128K 128K 0 100% /snap/bare/5
/dev/loop1 64M 64M 0 100% /snap/core20/2496
/dev/loop2 13M 13M 0 100% /snap/snap-store/1216
/dev/loop3 64M 64M 0 100% /snap/core20/2501
/dev/loop4 74M 74M 0 100% /snap/core22/1908
/dev/loop5 45M 45M 0 100% /snap/snapd/23771
/dev/loop6 74M 74M 0 100% /snap/core22/1802
/dev/loop7 347M 347M 0 100% /snap/gnome-3-38-2004/119
/dev/loop9 517M 517M 0 100% /snap/gnome-42-2204/202
/dev/loop8 92M 92M 0 100% /snap/gtk-common-themes/1535
/dev/loop11 50M 50M 0 100% /sn