pkgmgmt: Comparison between different Linux Systems..

found this page.. already done by precedents..

installation:

aptitude install
apt-get install
yum install
pacman -S

searching..

aptitude search
apt-cache search
yum search
pacman -Ss

update db & upgrade..

aptitude update && aptitude upgrade && aptitude dist-upgrade
apt-get update && apt-get upgrade && apt-get dist-upgrade
yum update && yum upgrade
pacman -Syu

install dependencies..

aptitude build-dep
apt-get build-dep
yum-builddep
pacman -S

getting source code:

aptitude source
apt-get source
yumdownloader --source
yaourt -G 

remove single pkg..

aptitude remove
apt-get remove
yum remove
pacman -R

remove pkg and its deps..

aptitude remove " seems cannot deal with deps
apt-get autoremove
yum autoremove
pacman -Rss

remove pkg without removing the pkg dependent on it..

~
~
~
pacman -Rdd

search db for certain file..

aptitude search 're'
apt-file search 're' || dpkg-query -S /path/to/file
yum whatprovides 're'
pacman -Fysx 're'

check for optional pkg-cooperation for certain pkg:

~
~
~
pacman -Qi

check pktmgmt history cmds:

~ || apt-history from ~/.bashrc
~ || apt-history from ~/.bashrc
yum history
ls /var/cache/pacman/pkg || cat /var/log/pacman.log

undo changes using pktmgmt tools..

~
~
yum history undo idx
cd /var/cache/pacman/pkg; pacman -U "the undo pkg"

clean all installation package caches:

aptitude clean
apt-get clean
yum clean all
pacman -Scc

clean installation package caches that cannot be downloaded from repo anymore, which likely these caches are the most useless.

aptitude autoclean
apt-get autoclean
~
~

install cross build toolchains:

TBD
dpkg --add-architecture amd64/i386/armhf; apt-get update; apt-get install crossbuild-essential-armhf.. [ also sources.list file should be modified like deb [arch=i386] ]
TBD
TBD

View package changelog:

aptitude
apt-get changelog pkg
rpm -q --changelog pkg
pacman -Qc pkg