Linux RedHat 7 Common Commands Summary

Linux RedHat 7 Common Commands Summary 、、、

-----------------------

Conquer Linux starting from the terminal

-------------------------------------

To clear the terminal in Linux:
Type clear
[Ctrl] + [l] = clear the terminal.
[Ctrl] + [u] = clear when moving forward

======================
Quick access to certain directories
Type cd
Find Files
Find command
======================
A test of the available shortcut keys REDHAT7
Some of the most useful shortcut keys:
[Ctrl] + [A] = move the cursor to the beginning of the line
[Ctrl] + [E] = move the cursor to the end of the line
[Ctrl] + [l] = clear terminal
[Ctrl] + [u] = clears the current line.

Exit = Exit
reset = Refresh < clean screen operation >
Ifconfig View native IP address
Fdisk–l viewing hard disk information under the system
Date View System Current time
More/proc/cpuinfo displaying CPU information for the current host
More/proc/modules viewing the kernel module information used in the system
CTRL + C returns to the system's initial command
LS lists all files and folders in the current directory
======================
Operation of the directory:
Cd.. Open the previous directory
CD/Open root directory
CD into the folder you want to open
PWD View the current directory where
DMESG Display the boot information of the system
Cat/proc/modules Viewing current system modules
======================
Some helpful information commonly used in the terminal:
Mans
Infor
Help
Whereis
Whatis
which
======================
LS//lists the files and folders of the current directory
Ls–a//Lists files and folders for the current directory, including hidden files
ls–l//Listing Details
LS directory//list files in a directory
======================
Du directory//view the total capacity of the directory and the capacity of subdirectories
Du–s Directory//view directory Total capacity
======================
Cd.. Go back to the top level directory
CD///back to root directory
CD//Home Owner Directory
======================
Switch the Redhat graphical interface to the character interface terminal: Ctrl+alt+f2-6
Redhat switch from the character terminal interface to the image interface Alt+f1 or press CTRL+ALT+F1
======================
Press Crtl+t first to open a terminal:
We hold ctrl+shift+t and open another terminal:
Two terminals input who am I
Use Who am I to query the PTS number of the endpoint for which the current user is logged on
======================
To view all current shell interpreters:
Enter Command Cat/etc/shells or chsh-l

Enter the command:
Ls-a/etc/
======================
ls command:
-all Show all files, including hidden files
-almost lists except
-author-l lists the author of each file
======================
LS followed by the command:
--HELP Display this help message and exit
--version display version information and exit
--size displays the size of each file allocation as a block number
--recursive recursively display subdirectories
--reverse reverse Order
--almost-all list except. And: Any item other than
--all Show all files, including hidden files
--author
======================
Ls-l
Displays the file's morphology, permissions, owner, file size, last modified time, full name of the file (file name + extension)
======================
Ls-r
The lowercase command is the name of the actual current user:

Ls-r
Recursively display subdirectories
======================
Ls-a
Displays all files and directories under the specified directory, and also lists all the "." Hidden files at the beginning
======================
Ls-d
Lists only the directory itself, not any data in the directory
======================
List the file formats under the directory:
Ls-p
Ls-p/etc
======================
To display the contents of a file:
Ls-al
Displays the contents of the data in a long string, as well as listing hidden files together
======================
Modified time for the full rendering profile:
Ls-al--full-time
======================
Alias command:
Alias
LL
======================
To list all files in a directory with the Echo (echoing) command and a wildcard character (*) parameter
echo *
======================
Use the echo command to list all directories only
echo */
======================
Lists all the files in a directory, including the hidden "." The file that starts with
Ls-a
======================
How to list directories in addition to "current directory." and "Parent directory ..." All files, including hidden files
Ls-a
======================
Print out the current directory contents using long format
Ls-l
======================
Prints the contents of a directory in a long-format list and displays hidden "point files"
Ls-la
======================
Do not want to list "current directory" and "Parent directory"
Ls-la
======================
Find the creator of each file
LS--author-l
======================
Print out non-display characters with escape characters
Ls-b
======================
Sorts the files in the directory by the modified time and displays the associated information
Ls-ltc
======================
Control the output color of ' ls ' command: –color=parameter ', parameter has three different values, "auto", "Always", "Never (colorless)"
The specific commands are as follows:
LS--color=never
LS--color=auto
LS--color=always
======================
Simply list the directory itself, not the contents of the directory
Ls-d
======================
CD is the abbreviation for Change directory, which is the instruction used to transform the working directory
======================
The shutdown command is used for system shutdown commands.
Use shutdown to scare users, but it is not really to shut down the machine!
-r--reboot Restart System
--help output a short help document and exit
======================
Shut down the system immediately
Shutdown-h now
Specify the time to shut down and send out a warning message to the currently logged in User:
Shutdown +5 "System would shutdown after 5 minutes"
======================

======================
Linux Redhat system and VM virtual machine download:
http://blog.csdn.net/yuyuntan/article/details/52280767
======================
System Installation:
Install Red Hat Enterprise Linux 7.2 installation RHLE7.2 operating system
Test this media & install Red Hat Enterprise Linux 7.2 Testing installation files and installing the RHLE7.2 operating system
Troubleshooting Repair Failure
======================
Reference to the website:
http://www.xuexila.com/diannao/xitong/

Linux RedHat 7 Common Commands Summary