Linux Learning Note--2015/7/26

4.4 Linux Common Commands-File Search command-HELP command

man gets help information

Man ls to view the Help information for LS command

Man Services View configuration file Help information

1 Help for commands

5 configuration file Help

Command NAME function/option

Configuration file NAME holds information file format

　　　　　　　　　　whatis Command

　　　　　　　　　Apropos configuration file

　　　　　　　　　　　Info

Help for Shell built-in commands

4.5 Linux Common Commands-File Search command-user management commands

Useradd Adding a new user

passwd Setting the user password

who view login user information

w View more information

4.6 Linux Common commands-File Search command-compress unzip command

gzip Compressed files (files can only be compressed) after the file format is compressed. GZ

gunzip uncompressed. GZ Compressed Files

Tar Packaging directory

-C Packaging

-V Show More information

-F Specify File name

-Z Package simultaneous compression

Zip compressed file or directory

-R Compression Directory

unzip extracting compressed files from. zip

bzip2 Compressed files (larger files are compressed)

BUNZIP2 Decompression

4.7 Linux Common Commands-network commands

write to the online user to send information to ctrl+d save end

Wall Broadcast information

Ping Test network connectivity

ifconfig Viewing and setting network card information

Mail View send e-mail

Last list of user information currently logged into the system

Lastlog Check when a particular user last logged in

traceroute Show the path between packets to the host

netstat displaying network-related information

-T TCP protocol (TCP is the phone, three handshake ...). Connection-oriented, more reliable)

-u UDP protocol (UDP is similar to texting, faster)

-L Monitoring

-R Routing

-N Displays the IP address and port number (IP address is equivalent to house numbers, port name equals recipient name)

Setup Configure network

Mount Mount command

Linux Learning Note--2015/7/26