how do i find list of software installed on linuix

uname on my host gives Linux

i know
for AIX, = lslpp
Solaris = pkginfo
HP-UX = swlist

what should be for Linux
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What distrobution of Linux?

Here are a few;

pkgtool <-- Slackware
rpm -qa <-- Rpm based distros
apt-get <-- debian

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Pick according to your installed distro...

rpm -qa       <- will list installed package names on a RPM-based distribution.,
                         such as Redhat, Mandriva, SuSE, old Caldera, ...

dpkg -l         <- will list installed packages names on a DEB-based distribution;
                        such as Debian or Ubuntu

To query the list of installed packages on Gentoo, you need a tool not installed by default...

  emerge gentoolkit

  qpkg -I

In slackware
 ls -l /var/log/packages
I forgot to say for gentoo the package manament system is called emerge
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IMO, the question was fairly simple and thoroughly answered, for all common cases.

I suggest Split or PAQ/No-refund.

Note the same asker appears to have other questions in a similar situation,
which while open and not classified as abandoned, are old, and at this moment
had no comment for the past 21 days.
Nice point split
perlperlAuthor Commented:
my there a way, i can change this
perlperlAuthor Commented:
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