Linux Common commands-network commands

Network commands

Command name: Write

Command path:/usr/bin/write

Execute Permissions: All Users

Syntax: Write < user name >

Function Description: Send message to Online user to Ctrl+d save End Example: Write linzhiling

Command name: Wall

Command English original: Write all

Command path:/usr/bin/wall

Execute Permissions: All Users

Syntax: wall [message]

Function Description: Send broadcast message example: Wall He is a honest man!

Command name: Ping

Command path:/bin/ping

Execute Permissions: All Users

Syntax: ping [options] IP address-C Specify the number of times to send

Function Description: Test network connectivity Example: 192.168.1.1

Command name: ifconfig

Command English original meaning: interface configure

Command path:/sbin/ifconfig

Execute permissions: Root

Syntax: ifconfig NIC name IP address

Function Description: View and set NIC Information example: Ifconfig eth0 192.168.1.1

Command name: Mail

Command path:/bin/mail

Execute Permissions: All Users

Syntax: Mail [user name]

Function Description: View Send email example: Mail root

Command name: Last

Command path:/usr/bin/last

Execute Permissions: All Users

Syntax: Last

Function Description: Lists the current and past logged in system User Information example: last

Command name: Lastlog

Command path:/usr/bin/lastlog

Execute Permissions: All Users

Syntax: Lastlog

Function Description: Check the last login time for a specific user example: Lastlog lastlog-u 502 (502 for user ID)

Command name: traceroute

Command path:/bin/traceroute

Execute Permissions: All Users

Syntax: traceroute

Function Description: Displays the path between the packets to the host traceroute www.baidu.com

Command name: netstat

Command path:/bin/netstat

Execute Permissions: All Users

Syntax: netstat [options]-T:TCP protocol;-U:UDP protocol;-L: Listener;-R: Route;-N: Displays IP address and port number

Function Description: Display network-related information example:netstat-tuln View the port of native listening;nestata-an View all network connections on this computer;nestat-rn View native routing table

Restart Network Service Network restart

Command name: Setup

Command path:/usr/bin/setup

Execute permissions: Root

Syntax: Setup

Function Description: Configure Network example: Setup

Command name: Mount (for mounting mobile devices, etc.)

Command path:/bin/mount

Execute Permissions: All Users

Syntax: Mount [-t file system] device file name mount point example: Mount-t iso9660/dev/sr0/mnt/cdrom

Unload mount point : umount/dev/sr0

Linux Common commands-network commands