debian 系统通过 dpkg -s 可以查看软件包的信息

debian 系统通过 dpkg -s 可以查看软件包的信息

dpkg -s mailutils

Package: mailutils
Status: install ok installed
Priority: optional
Section: mail
Installed-Size: 995
Maintainer: Jordi Mallach <jordi@debian.org>
Architecture: amd64
Version: 1:3.5-4
Provides: mail-reader, mailx
Depends: mailutils-common (= 1:3.5-4), guile-2.2-libs, libc6 (>= 2.14), libfribidi0 (>= 0.19.2), libgc1c2 (>= 1:7.2d), libgnutls30 (>= 3.6.5), libgsasl7 (>= 1.1), libkyotocabinet16v5 (>= 1.2.76), libldap-2.4-2 (>= 2.4.7), libmailutils5, libncurses6 (>= 6), libpam0g (>= 0.99.7.1), libpython2.7 (>= 2.7), libreadline7 (>= 6.0), libtinfo6 (>= 6), libwrap0 (>= 7.6-4~)
Recommends: default-mta | mail-transport-agent
Suggests: mailutils-mh, mailutils-doc
Breaks: bsd-mailx (<< 8.1.2-0.20071201cvs-1), bsdmainutils (<< 8.0.6), elm-me+ (<< 2.4pl25ME+99c-3), heirloom-mailx (<< 12.3-3)
Description: GNU mailutils utilities for handling mail
 GNU Mailutils is a rich and powerful protocol-independent mail framework.
 It contains a series of useful mail libraries, clients, and servers.
 .
 This package contains the GNU mailutils versions of dotlock, frm, from,
 maidag, mail, messages, mimeview, movemail, readmsg and sieve. They are
 capable of speaking POP3, IMAP, mbox, MH and Maildir.
 .
  dotlock -- lock mail spool files.
  frm -- display From: lines.
  from -- display from and subject.
  maidag -- the mail delivery agent.
  mail -- the standard /bin/mail interface, mail sender and reader.
  messages -- count the number of messages in a mailbox.
  mimeview -- display files, using mailcap mechanism.
  movemail -- move messages across mailboxes.
  readmsg -- extract selected messages from a mailbox.
  sieve -- a mail filtering tool.