- lsblk
```
koketani:2$ lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
loop0         7:0    0 198.1M  1 loop /snap/atom/226
...
loop24        7:24   0  17.5M  1 loop /snap/bw/11
nvme0n1     259:0    0   477G  0 disk
|-nvme0n1p1 259:1    0   512M  0 part /boot/efi
|-nvme0n1p2 259:2    0 460.6G  0 part /
`-nvme0n1p3 259:3    0  15.9G  0 part [SWAP]
```
- mount
- gdisk -l /dev/nvme0n1
```
$ sudo gdisk -l /dev/nvme0n1
GPT fdisk (gdisk) version 1.0.3

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.
Disk /dev/nvme0n1: 1000215216 sectors, 476.9 GiB
Model: PC300 NVMe SK hynix 512GB
Sector size (logical/physical): 512/512 bytes
Disk identifier (GUID): xxx
Partition table holds up to 128 entries
Main partition table begins at sector 2 and ends at sector 33
First usable sector is 34, last usable sector is 1000215182
Partitions will be aligned on 2048-sector boundaries
Total free space is 2669 sectors (1.3 MiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048         1050623   512.0 MiB   EF00  EFI System Partition
   2         1050624       966924287   460.6 GiB   8300
   3       966924288      1000214527   15.9 GiB    8200
```

- fdisk -l
- findmnt
```
koketani:2$ findmnt
TARGET                                SOURCE         FSTYPE      OPTIONS
/                                     /dev/nvme0n1p2 ext4        rw,relatime,errors=remount-ro,data=ordered
|-/sys                                sysfs          sysfs       rw,nosuid,nodev,noexec,relatime
| |-/sys/kernel/security              securityfs     securityfs  rw,nosuid,nodev,noexec,relatime
| |-/sys/fs/cgroup                    tmpfs          tmpfs       ro,nosuid,nodev,noexec,mode=755
| | |-/sys/fs/cgroup/unified          cgroup         cgroup2     rw,nosuid,nodev,noexec,relatime,nsdelegate
...
```

- parted
```
(parted) print all
Model: PC300 NVMe SK hynix 512GB (nvme)
Disk /dev/nvme0n1: 512GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number  Start   End    Size    File system     Name                  Flags
 1      1049kB  538MB  537MB   fat32           EFI System Partition  boot, esp
 2      538MB   495GB  495GB   ext4
 3      495GB   512GB  17.0GB  linux-swap(v1)
```