To show all installed packages or software in Linux, you can use the dpkg, rpm, or apt commands, depending on your package manager.
The dpkg command is a utility that manages the installation and removal of Debian packages.
To show all installed packages using the dpkg command, you can use the -l option to list all packages and the grep command to filter the output:
dpkg -l | grep ^ii
This will display a list of all installed packages with their package names, versions, and descriptions. The grep command will filter the output to show only the lines that start with ii, which indicates an installed package.
The rpm command is a utility that manages the installation and removal of Red Hat packages.
To show all installed packages using the rpm command, you can use the -qa option to query all packages and the --queryformat option to specify the output format:
rpm -qa --queryformat '%{NAME}\n'
This will display a list of all installed packages with their package names.
The apt command is a utility that manages the installation and removal of Debian packages.
To show all installed packages using the apt command, you can use the list subcommand with the --installed option to list installed packages and the grep command to filter the output:
apt list --installed | grep ^i
This will display a list of all installed packages with their package names, versions, and descriptions. The grep command will filter the output to show only the lines that start with i, which indicates an installed package.
To show all installed packages or software in FreeBSD, you can use the pkg command.
To show all installed packages using the pkg command, you can use the info subcommand with the -a option to list all packages and the -f option to specify the output format:
pkg info -a -f '%n\n'
This will display a list of all installed packages with their package names.
To show all installed packages or software in OpenBSD, you can use the pkg_info command.
To show all installed packages using the pkg_info command, you can simply run the pkg_info command:
pkg_info
This will display a list of all installed packages with their package names, versions, and descriptions.