Mac Common Terminal commands

First, the basic command

1. List files
LS parameter catalog name: see what's in the drive directory: ls/system/library/extensions
Parameter-W displays Chinese,-l details,-a including hidden files
2. Conversion directory

CD Example: Think of a drive directory to stroll around Cd/system/library/extensions

3. Create a new catalogue
mkdir Directory Name Example: Build a backup directory under the driver directory backup Mkdir/system/library/extensions/backup
Build a backup directory on the desktop back up mkdir/user/user name/desktop/backup

4. Copy files
CP parameter source file target file example: Want to copy the desktop Natit.kext to the driver directory cp-r/user/user name/desktop/natit.kext/system/library/extensions
The parameter R indicates a recursive operation of the directory, and Kext looks like a file under the graphical interface, which is actually a folder.
Back up all files in the drive directory to desktop backup
Cp-r/system/library/extensions/*/user/User name/desktop/backup

5. Delete Files
RM Parameter File example: Want to delete the driver's cache Rm-rf/system/library/extensions.kextcache Rm-rf/system/library/extensions.mkext
Parameter-RF is recursive and mandatory, be careful to use, if executed RM-RF/your system is gone

6. Moving files
MV File example: Want to move Applehda.kext to desktop mv/system/library/extensions/applehda.kext/user/user name/desktop
Want to move the Applehda.kext to the backup directory Mv/system/library/extensions/applehda.kext/system/library/extensions/backup

7. Text editing
Nano File name example: Edit Natit info.plist nano/system/library/extensions/natit.kext/info.plist

Ii. details of the order

1. Directory operation

Command name	Function description	Examples of Use
Mkdir	Create a Directory	mkdir dirname
RmDir	Delete a directory	RmDir dirname
Mvdir	Move or rename a directory	Mvdir Dir1 Dir2
Cd	Change the current directory	CD dirname
Pwd	Displays the path name of the current directory	Pwd
Ls	Display the contents of the current directory	Ls-la

2. File operation

Command name	Function description	Application examples
Cat	Show or connect files	Cat filename
Od	Display the contents of a non-text file	od-c filename
Cp	Copy a file or directory	CP file1 File2
Rm	Delete a file or directory	RM filename
Mv	Change the file name or directory	MV File1 File2
Find	Finding files using matching expressions	Find. -name "*.C"-print
File	Show file types	File filename

3. Select operation

Command name	Function description	Examples of Use
Head	Show the first few lines of a file	head-20 filename
Tail	Display the last few lines of a file	tail-15 filename
Cut	Display some fields in each row of a file	Cut-f1,7-d:/etc/passwd
Colrm	Remove several columns from standard input	COLRM 8 File2
Diff	Compare and display the differences of two files	diff File1 File2
Sort	Sort or Merge files	sort-d-f-u File1
Uniq	Remove duplicate rows from a file	Uniq file1 file2
Comm	Public and non-public rows showing two ordered files	Comm File1 File2
Wc	The number of characters, words, and lines of a statistic file	WC filename
nl	Add a line number to a file	NL file1 >file2

Mac Common Terminal commands