When I used man2fopen in Ubuntu, I found that the man document was not installed. I searched for it online, and this command can install the online document on your ubuntu. sudoapt-getinstallbinutils-doccpp-docgcc-4.1-docgcc-docglibc-doclibstdc ++ 6-4.1-docstl-manualcpp-4.1-docmanpagesma my Ubuntu use man 2 fopen found that there is no installation man documentation, collected on the Internet, this command can install online documentation on your ubuntu.
In addition, there was an episode when using the above command,
The following error occurs:
Sudo apt-get install binutils-doc
Reading the package list... complete
Analyzing the dependency tree of the software package
Reading state information... complete
The following [new] software packages will be installed:
Binutils-doc
A total of 0 software packages have been upgraded, 1 new software package has been installed, 0 software packages have to be uninstalled, and 35 software have not been upgraded.
Download the 0B/494kB software package.
After decompression, the extra space of 565kB is consumed.
Dpkg: syntax error: unknown group 'uml-net' in statoverride file
E: Sub-process/usr/bin/dpkg returned an error code (2)
I thought that I created a uml-net group when I installed VirtualBox. Later, the group files were accidentally destroyed and copied from others.
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