Basics of getting Started with Linux

Linux basic commands

1.who

Who am I see myself

who xxx yyy

Who sees who landed the system

W See who logs the system who does what

2. Interface Toggle Shortcut keys

Ctrl+alt+f1 graphical interface

ctrl+alt+f2,3,4,5,6 Character Interface

3. Command Switch interface

CHVT # Toggle Interface But previous interface not closed

Init # switch interface closed before interface

4. CD Mount steps

DF View Disk

Cd/media/vmware\ tools/

CP Vmwaretools-9.9.3-2759765.tar.gz/testdir

Cd/testdia

Ls

CD vmware-tools-distrib/

Ls

/testdir/vmware-tools-distrib/vmware-install.pl D

5. Modify the configuration file, boot automatic root account startup

Using the graphical tools gedit Gedit/etc/gdm/custom.con

Add 2 lines of code

Automaticloginenable=true

Automaticlogin=root

6.cat/proc/meminfo memory usage of the machine

7.id

Id-u root View ID of root user

8. Echo $SHELL shows the SHELL currently in use

Cat/etc/shells Show all shells currently in use

9. Built-in command kernel

External command

Echo $PATH can see the path to the external command

Which command to view the commands path

10. The external command is cached in memory after execution

hash-d command to delete a cache of commands in memory

Hash-r Clear All Caches

11.enable

Enable-n CD Disable CD command

Enable CD-enabled CD command

12.cal Viewing calendars

13.date system Time

14.hwclock, Clock

-s with hardware clock as the standard

-W with system clock

15.nano file Text Editing

16.screen Command terminal switch

Help person

Screen-s + Self-edited information

Help person

Screen-ls

Scren-x + information for help-seekers to edit

Example: A,b,c,... With the account, share the steps with the machine:

A input screen-s test

b input Screen-ls view with test column

b input Screen-x test can be shared on screen

c do the same operation, you can share the screen

Screen Run Program

Screen-ls Show all screens that are already open

Screen-r [Session] restores a screen

Ctrl+a,d Stripping Current Screen

Exit screen

Example: A input screen-> run program, network unexpected interrupt->screen-ls query Run program process->SCREEN-R process random number recovery process

18.rmp-i/path/to/installation Software

19.ehco

Echo ' $VAR _name ' variables are not replaced, single quotes indicate strong references

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echo "$VAR _name" variable is replaced with double quotes for weak references

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Echo ' $VAR _name ' anti-quotation marks show the results of the execution

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echo Command options:

-N does not wrap characters at the end of the line

-e parameter to print escape characters

\a issued a warning sound

\b Backspace key

\c End With line break

\ n Wraps and the cursor moves to the beginning of the line

\ r The cursor moves to the beginning of the line, but does not wrap

\0NNN insert ASCII character represented by NNN (octal)

Echo-e "\033[43;31mzhangx\033[om" 650) this.width=650; src= HTTP://S2.51CTO.COM/WYFS02/M00/84/90/WKIOM1EU3I2WSXQC Aaalt1s6nj8847.png "title=" Kg{c4212_rkow_%%ronpztc.png "width=" 490 "height=" "border=" 0 "hspace=" 0 "vspace=" 0 " Style= "WIDTH:490PX;HEIGHT:36PX;" alt= "Wkiom1eu3i2wsxqcaaalt1s6nj8847.png"/>

This article from "10482168" blog, declined reprint!

Basics of getting Started with Linux