Linux Wildcard characters Summary

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*-wildcard character, which represents random characters (0 for many)
? -Wildcard, which represents a character
#-Gaze
/-Jump symbol to restore special characters or wildcards to a general symbol
| -demarcation of two pipeline commands
; -Definition of continuity order
~-User's root folder
$-Variable value to be added before the variable
! -"Non" (not) in logical operation
/-Path Separator symbol
>>-Output guidance, respectively, "replace" and "accumulate"
'-single-pin, no variable substitution function
"-double-cited, with variable displacement function
'-quote symbol, two ' in the middle for a command to run first
()-Middle is the beginning and end of the child shell
[]-Middle is a character combination
{}-middle command block combination
CTRL + C-terminates the current command
Ctrl+d-Input End (EOF), such as when the message ends
Ctrl+m-Just enter
Ctrl+s-Pause the output of the screen
CTRL+Q-Restore the output of the screen
Ctrl+u-at the prompt, delete the entire line of command
CTRL + Z-Pause current command
&&-When the current command runs successfully, the following command is run
|| -When the current command fails to run, the following command is run

The most frequently used is *,? , [] and '.

Here are a few simple examples:

1,ls test* <== * means that the following characters are accepted (no word Fuye accepted)

2,ls test? <==?

Represents the back when and only if one word characters accepts

3,ls test??

?

<==??? Indicates that three characters must be answered

4. CP Test[1~5]/tmp <== test1,test2,test3,test4,test5 if present. Copy it to the/tmp folder

5. cd/lib/modules/'uname-r'/kernel/drivers <== is ' please run the command

Linux Wildcard characters Summary