debianAPT的超级牛功能
The Super Cow Powers in Debian APT
呵呵，Debian 的 apt-get 说它有 Super Cow Powers 。
neo@zircon:~$ apt-get --help
apt 0.5.28.6 for linux i386 compiled on Mar 22 2005 07:17:03
Usage: apt-get [options] command
apt-get [options] install|remove pkg1 [pkg2 ...]
apt-get [options] source pkg1 [pkg2 ...]
apt-get is a simple command line interface for downloading and
installing packages. The most frequently used commands are update
and install.
Commands:
update - Retrieve new lists of packages
upgrade - Perform an upgrade
install - Install new packages (pkg is libc6 not libc6.deb)
remove - Remove packages
source - Download source archives
build-dep - Configure build-dependencies for source packages
dist-upgrade - Distribution upgrade, see apt-get(8)
dselect-upgrade - Follow dselect selections
clean - Erase downloaded archive files
autoclean - Erase old downloaded archive files
check - Verify that there are no broken dependencies
Options:
-h This help text.
-q Loggable output - no progress indicator
-qq No output except for errors
-d Download only - do NOT install or unpack archives
-s No-act. Perform ordering simulation
-y Assume Yes to all queries and do not prompt
-f Attempt to continue if the integrity check fails
-m Attempt to continue if archives are unlocatable
-u Show a list of upgraded packages as well
-b Build the source package after fetching it
-V Show verbose version numbers
-c=? Read this configuration file
-o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp
See the apt-get(8), sources.list(5) and apt.conf(5) manual
pages for more information and options.
This APT has Super Cow Powers.
neo@zircon:~$ apt-get moo
(__)
(oo)
/------\/
/ | ||
* /\---/~~ ~~
...."Have you mooed today?"...
跳舞牛……
neo@zircon:~$ apt-build -v
apt-build version 0.11.10
neo@zircon:~$ apt-build moo
(__) ~
(oo) /
_____\/___/
/ /\ / /
~ / * /
/ ___/
*----// / /
~ ~
..."Have you danced today? Discow!"...
Aptitude 说它没有 Super Cow Powers 。贪心不足蛇吞象……
neo@zircon:~$ aptitude --help
aptitude 0.2.15.9
Usage: aptitude [-S fname] [-u|-i]
aptitude [options] ...
Actions (if none is specified, aptitude will enter interactive mode):
install - Install/upgrade packages
remove - Remove packages
purge - Remove packages and their configuration files
hold - Place packages on hold
unhold - Cancel a hold command for a package
markauto - Mark packages as having been automatically installed
unmarkauto - Mark packages as having been manually installed
forbid-version - Forbid aptitude from upgrading to a specific package version.
update - Download lists of new/upgradable packages
upgrade - Perform a safe upgrade
dist-upgrade - Perform an upgrade, possibly installing and removing packages
forget-new - Forget what packages are "new"
search - Search for a package by name and/or expression
show - Display detailed information about a package
clean - Erase downloaded package files
autoclean - Erase old downloaded package files
changelog - View a package's changelog
download - Download the .deb file for a package
Options:
-h This help text
-s Simulate actions, but do not actually perform them.
-d Only download packages, do not install or remove anything.
-P Always prompt for confirmation or actions
-y Assume that the answer to simple yes/no questions is 'yes'
-F format Specify a format for displaying search results; see the manual
-O order Specify how search results should be sorted; see the manual
-w width Specify the display width for formatting search results
-f Aggressively try to fix broken packages.
-V Show which versions of packages are to be installed.
-D Show the dependencies of automatically changed packages.
-Z Show the change in installed size of each package.
-v Display extra information. (may be supplied multiple times)
-t [release] Set the release from which packages should be installed
-o key=val Directly set the configuration option named 'key'
--with(out)-recommends Specify whether or not to treat recommends as
strong dependencies
-S fname: Read the aptitude extended status info from fname.
-u : Download new package lists on startup.
-i : Perform an install run on startup.
This aptitude does not have Super Cow Powers.
neo@zircon:~$ aptitude moo
There are no Easter Eggs in this program.
neo@zircon:~$ aptitude -v moo
There really are no Easter Eggs in this program.
neo@zircon:~$ aptitude -vv moo
Didn't I already tell you that there are no Easter Eggs in this program?
neo@zircon:~$ aptitude -vvv moo
Stop it!
neo@zircon:~$ aptitude -vvvv moo
Okay, okay, if I give you an Easter Egg, will you go away?
neo@zircon:~$ aptitude -vvvvv moo
All right, you win.
/-----------/ / / |
-----------------/ ------------------------------------------------------
Happy?
neo@zircon:~$ aptitude -vvvvvv moo
What is it? It's an elephant being eaten by a snake, of course.
