found this .. already done by precedents..

installation:

aptitude installapt-get installyum installpacman -S

searching..

aptitude searchapt-cache searchyum searchpacman -Ss

update db & upgrade..

aptitude update && aptitude upgrade && aptitude dist-upgradeapt-get update && apt-get upgrade && apt-get dist-upgradeyum update && yum upgradepacman -Syu

install dependencies..

aptitude build-depapt-get build-depyum-builddeppacman -S

getting source code:

aptitude sourceapt-get source yumdownloader --source yaourt -G

remove single pkg..

aptitude removeapt-get removeyum removepacman -R

remove pkg and its deps..

aptitude remove " seems cannot deal with depsapt-get autoremoveyum autoremovepacman -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/fileyum 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 ~/.bashrcyum historyls /var/cache/pacman/pkg || cat /var/log/pacman.log

undo changes using pktmgmt tools..

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

clean all installation package caches:

aptitude cleanapt-get cleanyum clean allpacman -Scc

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

aptitude autocleanapt-get autoclean~~

install cross build toolchains:

TBDdpkg --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] ]TBDTBD

View package changelog:

aptitudeapt-get changelog pkgrpm -q --changelog pkgpacman -Qc pkg