Date
Date
System
Ubuntu System Command
Check ubuntu version
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.2 LTS
Release: 16.04
Codename: xenial
Reference
Hostname
Hostname
Virtual Memory（SWAP）
Virtual Memory（SWAP）
Locale (Language)
Locale (Language)
Hard Drive
Hard Drive
Crontab Schedule
Crontab Schedule
Run command while booting
Run command while booting