Convert CHM files to HTML files in Linux

In Linux, convert the CHM File to HTML-general Linux technology-Linux technology and application information. The following is a detailed description. 1. install the software libchm-bin:
Zhancang @ ubuntu :~ $ Sudo apt-get install libchm-bin
Password:
Reading the package list... complete
Analyzing the dependency tree of the software package
Read status information... complete
The following [new] software packages will be installed:
Libchm-bin
A total of 0 software packages have been upgraded, 1 new software package has been installed, 0 software packages have to be uninstalled, and 24 software have not been upgraded.
Download the 17.5kB software package.
After decompression, KB of extra space will be consumed.
[Warning]: The following software packages cannot pass verification!
Libchm-bin
Are these software packages installed without verification? [Y/N] y
Get: 1 http://debian.ustc.edu.cn feisty/universe libchm-bin. 39-2 [17.5kB]
Download 17.5kB, time consumed 0 s (35.2kB/s)
The software package libchm-bin that has been deselected is selected.
(Reading the database... the system currently has a total of 128389 files and directories installed .)
Extracting libchm-bin (from.../libchm-bin_2% 3a0. 39-2_i386.deb )...
Setting libchm-bin (0.39-2 )...
Zhancang @ ubuntu :~ $
2. Usage:
Zhancang @ ubuntu :~ $ Extract_chmLib -- help
Usage: extract_chmLib

For example:
Zhancang @ ubuntu :~ $ Extract_chmLib 878.chm/home/zhancang/878/
878. chm:
-->/# IDXHDR
-->/# ITBITS
-->/# STRINGS
-->/# SYSTEM
-->/# TOPICS
-->/# URLSTR
-->/# URLTBL
-->/# WINDOWS
-->/Temp.htm
Zhancang @ ubuntu :~ $