NUS Homepage

NUS WebMail Homepage

NUSmail

NUS School of Computing Homepage

mySoC Homepage

NUS School of Computing VPN

DocHub Homepage

NOC Homepage

DHCP

Dynamic Host Configuration Protocol

DNS

Domain Name System

IP

Internet Protocol

NTP

Network Time Protocol

TCP

Transmission Control Protocol

TFTP

Trivial File Transfer

UDP

User Datagram Protocol

A

Address record

CNAME

Canonical name record

MX

mail exchanger record

NS

name server record

PTR

pointer record

SOA

Start of Authority record

FQDN

Fully Qualified Domain Name

ip address or ip addr

to display IP addresses information, etc

ps

report a snapshot of the current processes

pwd

print name of current/working directory

whereis

locate the binary, source, and manual page files for a command

which

shows the full path of (shell) commands

JBOD

Just a Bunch Of Disks
To check MAC address from which company.
Click this IEEE URL address: https://regauth.standards.ieee.org/standards-ra-web/pub/view.html#registries

Netplan

https://netplan.io/

RS

https://en.wikipedia.org/wiki/Electronic_Industries_Alliance#RS