What are the ways to organize Linux commands
This article mainly explains "what are the ways to organize Linux commands". Friends who are interested may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "what are the ways to organize Linux commands"?
1. Switch back to the previous directory
The code is as follows:
Cd-
The bar represents the path to the previous directory
-it's actually a built-in variable $owd
2. Replace a phrase in the previous command
The code is as follows:
^ Foo ^ bar^
The original style of this command should be
The code is as follows:
!!: gs/foo/bar/
!! Means to repeat the previous command and replace it with: gs/foo/bar.
3. Back up a file quickly
The code is as follows:
Cp filename {, .bak}
Curly braces are the meaning of an arrangement, so try the following example
The code is as follows:
Echo {a,b,c} {a,b,c} {a,b,c}
The full arrangement of three sets will be output
The code is as follows:
Aaa aab aac aba abb abc aca acb acc
Baa bab bac bba bbb bbc bca bcb bcc
Caa cab cac cba cbb cbc cca ccb ccc
4. Empty or create a file
The code is as follows:
: > file.txt
: is an empty function that exists by default in shell
5 、 reset
The code is as follows:
Rest
If you have tried to accidentally cat a certain binary file, it is very likely that the whole terminal will be silly, may not be able to break lines, cannot be echoed, a lot of garbled code and so on, you can type in the reset command, regardless of whether the command is displayed or not, it will return to normal.
6. More friendly display of the currently mounted file system
The code is as follows:
Mount | column-t
At this point, I believe you have a deeper understanding of "what are the ways to organize Linux commands". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!
