How to download the source code of the Ubuntu command

First install dpkg-Dev:

Apt-Get install dpkg-Dev

 

Set the source to copy the original source, but change Deb to Deb-Src:

# Vim/etc/APT/sources. List

Deb http://mirrors.163.com/ubuntu/ lucid main restricted universe multiverse

Deb http://mirrors.163.com/ubuntu/ lucid-security main restricted universe multiverse

Deb http://mirrors.163.com/ubuntu/ lucid-Updates main restricted universe multiverse

The Deb-Src http://mirrors.163.com/ubuntu/ lucid main restricted universe multiverse

The Deb-Src http://mirrors.163.com/ubuntu/ lucid-security main restricted universe multiverse

The Deb-Src http://mirrors.163.com/ubuntu/ lucid-Updates main restricted universe multiverse

Run apt-Get update.

 

Obtain the full path of the command:

# Which ASCII

/Usr/bin/ASCII

 

Find the package where the command is located:

# Dpkg-S/usr/bin/ASCII

ASCII:/usr/bin/ASCII

 

Source code of the downloaded package:

# Apt-Get source ASCII

The source code has been downloaded under the current directory.

# Ls

Ascii-3.8 ascii_3.8-4.diff.gz ascii_3.8-4.dsc ascii_3.8.orig.tar.gz