How to list installed software packages on Linux.

In Linux, you can use the following command to list the software packages installed in the system:

1. List the software packages installed in a Debian or Ubuntu system using the dpkg command.

dpkg --list

1. List the packages installed in a Red Hat, CentOS, or Fedora system using the rpm command.

rpm -qa

1. List the software packages installed in a Red Hat, CentOS, or Fedora system using the yum command.

yum list installed

1. List the packages installed in a Debian or Ubuntu system using the apt command.

apt list --installed

These commands will display all the installed packages in the system, and you can use the pipe and grep commands to filter the desired package information.