Linux Common basic commands

Linux File System architecture

/boot: Boot file directory, kernel file, boot loader is stored in this directory

/bin: Basic command for all users, can not be associated to a separate partition, system startup will be used by the program

/sbin: The basic command of the management class, cannot be associated to a separate partition, the program that the system starts to use

/lib: Basic shared library files that the program relies on at startup and kernel module files

/LIB64: storage location for shared library files dedicated to x86_64 systems

/etc: Configuration file directory

Home directory for normal users

/root: Admin Home Directory

/media: Portable mobile device mount point

/MNT: Temporary file system mount point

/dev: Device files and special file storage locations

/OPT: Third-party application installation location

/SRV: Data used by services running on the system

/tmp: Location of temporary file storage

/usr: The directory where the application resides

Linux Common basic commands

Shutdown or restart

Reboot restart (-F forced restart,-P power off)

Shutdown shutdown or restart

-R Restart

-h shutdown; Example: Shutdown-h now shuts down

Change Directory

CD Switch Directory

/switch to the root directory

.. Switch to Parent directory

PWD View current directory path

ls command

LS lists the contents of the current directory or the specified directory

-A Show hidden files

-L Display File details

-H display file size increases readability

Move copy and delete files and folders

Touch Create empty files and Refresh time

-A change atime and CTime

-M change Mtime and CTime

-T Specify timestamp

CP Copy File

-R recursively Copy folders and all files within it

-F Forced replication

-P preserves the properties of the source file or directory

MV Move and rename files

RM Delete

-R recursively Delete the folder and all contents inside

-F Force Delete

-I hints whether to delete

mkdir Creating a Folder

-P if the upper-level directory of the created directory is not created, the upper-level directory is created

RmDir Deleting a folder

-p Recursively Delete empty directories

Tree Display directory Trees

-l Specifies the number of directory layers to display

-D Show only directories

Link

LN creates a hard link to a file (can only create a hard link to a file)

Ln-s a soft connection to create a file (can be created on a directory)

Create and delete users

Useradd Creating a user

Userdel Deleting a user

SU can switch users

Text view

Cat View File Contents

More Paging View files

WC Statistics File Data

-L Statistics Row only

-W only counts the total number of words

-M only counts the total number of characters

grep text filtering

Vim command

Exit

: Q exit

: q! Forced exit

: Wq Save Exit

ZZ Save and exit

ZQ Do not save exit

Cursor movement

H move one character to the left

L Move one character to the right

K Move up one character

J Move down one character

W Next word First

E current or next word ending

b Current or Next word header

H Page Top

M-Page Middle

L Page Footer

Delete

DD Delete When moving forward

DJ Delete Current line and previous row

DK Delete the current row and the next row

10DD Delete a total of 10 rows from the beginning of the current line

D Delete the current cursor position to the end of the line

Edit

U undo

YY copy when moving forward

P Paste in current position

Find

/text find text, press N to find the next, press N to find the previous

? text find text, reverse lookup, press N to find the next, press N to find the previous

　　

　　　　

Linux Common basic commands