If you look at the Linux manual (for example, execute: Man Open), you will find that there are expressions in the document: Read (2), write (2), Lseek (2), Fcntl (2), and so on, what does the numeric expression in parentheses mean?You can get the
It's The section, the man, page for the command was assigned to.These is split as
General commands
System calls
C Library functions
Special files (usually devices, those found In/dev) and drivers
File Formats and conventions
Bash basics man manual and bash basics manBash basics man Manual
Penetration tests based on Android devices are implemented through various terminals. Therefore, it is particularly important to master Shell-related operations. Bash is a Unix Shell
PHP Regular Expression full manual, regular expression full manual
Full Manual of regular expressions for PHP
Objective
Regular expressions are cumbersome, but powerful, learned applications will give you an absolute sense of accomplishment in
Bash basics man ManualBash's basic knowledge man manual is implemented by various terminals because penetration tests based on Android devices. Therefore, it is particularly important to master Shell-related operations. Bash is a Unix Shell program
PHP regular expression full manual, regular expression full manual
Php regular expression full manual
Preface
Regular Expressions are cumbersome, but they are powerful. The application after learning will give you an absolute sense of accomplishment
4.2 "Linux learning is not difficult" get Linux system Help (2): Use the man manual pageAfter installing the Linux system, the first thing to do is to learn how to get help under Linux, Man manual page is a good way, man is a command to display the
Related articles: about verifying that there is an SSH configuration and how to generate SSH key can refer to the article: Git usage manual: Generate SSH Key
For the use of SSH key and the configuration of the public key in GitHub, Gitlab, please
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