"Linux" command--file directory

#	Administrator
$	Normal User
Drwxrw-rwx	d (Directory, file "-") rwx (owner) rw-(group) rwx (others)
Pwd	Print working directory prints the current working directory
CD [~] [/] [...] [ .]	Change Directory
LS [-A] [-l] [-r]	list [all] [long] [recursive recursive], viewing files and directories
ll	Similar ls-l
Locate keywords	Extensive search
Find directory-name file name	Directed lookup
CTRL + C	Interrupt
Wc-l file_name	Word count-line count rows
Cat	1, the whole display: concatenate chain
Cat >filename << Terminator EDF	2. Create a file
Cat File1 file2 >file	3. Merging files
Cat file_name | Wc-l	Number of rows of statistics
Cat-n file_name | grep pattern	Show matching line numbers
More file_name	Show pages by page
Q	Quit quitting
Enter	Next line
F= next key =space space key	Next page (Forward forward)
B= on key	Prev (back)
/	Search searches
Less file_name	With more
Cat;less;more	Read
Vi;vim	Write
Head-n file_name	Top 200 rows
Head-n -200 file_name	Except for the first 200 lines
Tail-n file_name	After 200 lines
grep pattern file_name-n line number > New_file_name	Find strings and redirect
grep pattern1 file_name | grep pattern2 file_name | Grep-v pattern3 file_name | Wc-l	Matches pattern 1 and matches pattern 2 and does not match the number of lines in pattern 3;-V (invert inversion)
Cut [-D pattern] [-f-file_name]	Default tab segmentation, [-d] specifies pattern separation; [-f-front] intercept the first three columns (before the destine designation)
Sort	Sort
Uniq [-c]	De-weight (count count)
chmod 764 file name	Change permissions: 7 (owner) 6 (Group) 4 (other); r-4,w-2,x-1,--0
Chown New owner file name	Change owner
CP Source File Destination Directory	Copy copied files
CP Filename1/home/filename2	Copy files and rename them at the same time
MV Source File Destination Directory	Move moving files
Mkdir	Create a Directory
RM [-V Show Delete Information] [-R Recursion] [-f Force]	Delete

"Linux" command--file directory