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On Red Hat based distros you can use the command rpm to find out information about the packages installed. If you look in /var/log there should be a log of your package manager. For example, arch linux has a log file for pacman and all of the installed, removed, and upgraded programs are listed with a timestamp.
How do I know if a program is installed on Linux?
You need to use rpm command to display all installed packages in Linux.
- Red Hat/Fedora Core/CentOS Linux. Type the following command to get list of all installed software. …
- Debian Linux. Type the following command to get list of all installed software: …
- Ubuntu Linux. …
- FreeBSD. …
- OpenBSD.
29 авг. 2006 г.
How do you check if an app is installed in Ubuntu?
On the terminal, there are two reliable ways to find out if a program is installed on an Ubuntu or Linux Mint system: Via apt-cache policy or by running dpkg.
