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Xiaobian to share with you how to solve the problem of incomplete man help documentation under ubuntu, I believe most people still do not know how to share this article for your reference, I hope you have a lot of harvest after reading this article, let's go to understand it together!

After installing ubuntu system, I often find that there are many functions that cannot be queried through man. Some people ask why man is chosen. The answer is obvious:

1. man is a function that comes with ubuntu system, which is very convenient to query;

2. The query speed of man is very fast;

3, man's system incidental, with strong authority;

4. Man can be updated synchronously with the system, which can ensure the "full","new","quasi" and other characteristics of man documents;

Convenient for others is also convenient for themselves, if you feel OK click on the right vote it, this can help others find a faster solution to the problem; have questions can also leave a message oh, thank you!

Tools/raw materials

ubuntu 1404

shell

method/step

1. Use Ctrl+T to open a shell window, as follows:

2. Type "sudo apt-get update" in the shell to update the source;

The instructions required to update the man document are as follows:

1. Help documentation related to installing standard c

sudo apt-get install libc-dev

sudo apt-get install glibc-doc

2. Enter man 3 printf, in the shell to test the installation;

3. The display effect is as follows:

1. Help document for installing standard c++:(version number shall be subject to automatic prompt of tab key)

sudo apt-get install libstdc++6-4.7-dev

sudo apt-get install libstdc++6-4.7-doc

2. Type man std::Exception in the shell to test the installation;

3. The display effect is as follows:

1. Install C++ STL related help documents:

sudo apt-get install stl-manual

2. Type man std::Exception in the shell to test the installation;

3. The display effect is as follows:

1. Install POSIX standard related help documents:

sudo apt-get install manpages-posix-dev

2. Enter man strcpy in the shell to test the installation;

3. The display effect is as follows:

5. Some other commonly used instructions:

Change root password: sudo passwd root

END

precautions

The version number of the installation help document is based on the tab prompt

When querying STL, you need to add a prefix such as: man std::vector

The above is "how to solve the problem of incomplete man help documentation under ubuntu" all the contents of this article, thank you for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!

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