پاسخ : چگونگی مشاهده سرویس های نصب شده روی centos
Red Hat/Fedora Core/CentOS Linux
Type the following command to get list of all installed software
rpm -qa | less #
Debian Linux
Type the following command to get list of all installed software
dpkg --get-selections #
Type the following command to get list of all installed software
sudo dpkg --get-selections #
FreeBSD
Type the following command to get list of all installed software
pkg_info | less #
pkg_info apache #
Use pkg_version command to summarizes the versions of all installed packages
pkg_version | less #
pkg_version | grep 'lsof' #
OpenBSD
OpenBSD also use pkg_info command to display list of all installed packages or software
pkg_info | less #
pkg_info apache #
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