Common commands in Linux

 

 

Sudo su

 

Enter the Administrator mode, because sometimes the system prompts incorrect passwords when using su.

Find./-name "Makefile"

 

Search for the file path listing the current directory named "Makefile"

Grep-nr "test "./

 

Recursively search all files including "test" in the current directory

Perl-pi-e's | str1 | str2 | g'' find./-type F'

 

Replace the "str1" string with "str2" in all files in the current directory"

Cat file1

 

View the content of file file1

Head-10 file1

 

View the first 10 lines of file1

Tail-10 file1

 

View the content of the last 10 lines of the file file1

Ln-s file1 file1-link

 

Create a soft link named file1-link for file1