dpkg 1.19.0.5ubuntu2 source package in Ubuntu

 This package provides the low-level infrastructure for handling the
 installation and removal of Debian software packages.
 .
 For Debian package development tools, install dpkg-dev.

 This package provides the development tools (including dpkg-source)
 required to unpack, build and upload Debian source packages.
 .
 Most Debian source packages will require additional tools to build;
 for example, most packages need make and the C compiler gcc.

No description available for dselect in ubuntu cosmic.

 This package provides the header files and static library necessary to
 develop software using libdpkg, the same library used internally by dpkg.
 .
 Note though, that the API is to be considered volatile, and might change
 at any time, use at your own risk.

 This package provides the perl modules used by the scripts
 in dpkg-dev. They cover a wide range of functionality. Among them
 there are the following public modules:
 .
  - Dpkg: core variables
  - Dpkg::Arch: architecture handling functions
  - Dpkg::Build::Info: build information functions
  - Dpkg::BuildFlags: set, modify and query compilation build flags
  - Dpkg::BuildOptions: parse and manipulate DEB_BUILD_OPTIONS
  - Dpkg::BuildProfile: parse and manipulate build profiles
  - Dpkg::Changelog: parse changelogs
  - Dpkg::Changelog::Entry: represents a changelog entry
  - Dpkg::Changelog::Parse: generic changelog parser for dpkg-parsechangelog
  - Dpkg::Checksums: generate and parse checksums
  - Dpkg::Compression: simple database of available compression methods
  - Dpkg::Compression::Process: wrapper around compression tools
  - Dpkg::Compression::FileHandle: transparently (de)compress files
  - Dpkg::Conf: parse dpkg configuration files
  - Dpkg::Control: parse and manipulate Debian control information
    (.dsc, .changes, Packages/Sources entries, etc.)
  - Dpkg::Control::Changelog: represent fields output by dpkg-parsechangelog
  - Dpkg::Control::Fields: manage (list of known) control fields
  - Dpkg::Control::Hash: parse and manipulate a block of RFC822-like fields
  - Dpkg::Control::Info: parse files like debian/control
  - Dpkg::Control::Tests: parse files like debian/tests/control
  - Dpkg::Deps: parse and manipulate dependencies
  - Dpkg::Exit: push, pop and run exit handlers
  - Dpkg::Gettext: wrapper around Locale::gettext
  - Dpkg::IPC: spawn sub-processes and feed/retrieve data
  - Dpkg::Index: collections of Dpkg::Control (Packages/Sources files for
    example)
  - Dpkg::Interface::Storable: base object serializer
  - Dpkg::Path: common path handling functions
  - Dpkg::Source::Package: extract Debian source packages
  - Dpkg::Substvars: substitute variables in strings
  - Dpkg::Vendor: identify current distribution vendor
  - Dpkg::Version: parse and manipulate Debian package versions
 .
 All the packages listed in Suggests or Recommends are used by some of the
 modules.