Basic commands commonly used in Linux
Format of the Linux command line
The characteristics of the command word [option] [parameter]
Command words are unique; the characteristics of strictly case-sensitive options
Option to achieve the specific function of the command word; the option is divided into short format, one-represents the short format, and the option-represents the characteristics of the long format parameter
Parameters are objects processed by the command to quickly edit the Linux command
1) tab key
The completion key of the Linux command; speed up the user to enter the command
2) backslash
\ force command line feeds
3) CTRL+K
All characters after the cursor is deleted
4) CTRL+U
Remove the character from the cursor position to the beginning of the line
5) CTRL+L
Clear the screen display
6) Force termination of command editing
CTRL+C
7) use pwd to view locations
8) change the directory from cd to root
9) cd changes to the user host directory
Common options for ls
-a show hidden directory
-A shows the parent directory
-l display details in long format
-h displays the size in KB,M bit units
-d View the properties of the directory
-R recursively displays the information in the directory
-- color display color
Create directories and files
Cp replicates data
Common options for cp
-f found that the same name is directly overwritten
-I found whether the reminder with the same name is overwritten
-p copy the file directory to keep the source file permissions unchanged
-r copy the data in the directory in a loop
Mv renames files or directories can also cut data to use
Find lookup file
-name looks up the name
-size lookup size
-user to find users
-type finds the specified type, f file, d directory, b device block, c character device
Common options for rm
-f does not remind you to force deletion
-I remind you to confirm
-r cycle to delete directory data
