opkg:tldr:7c5c0

The command "opkg upgrade ${package(s)}" is used in OpenWrt, which is a Linux-based operating system for embedded devices like routers. This command is used to upgrade one or more installed packages in the system.

Here's a breakdown of the command:

• "opkg" is a package manager used in OpenWrt for package installation, removal, and upgrades.
• "upgrade" is the action keyword that instructs opkg to perform an upgrade operation.
• "${package(s)}" is a placeholder for the name(s) of the packages you want to upgrade. You should replace it with the actual package name(s) separated by spaces. For example, if you want to upgrade two packages named "package1" and "package2", you would use "opkg upgrade package1 package2".

When you execute this command, opkg will check the package repository configured in OpenWrt and compare the installed versions of the specified packages with the available versions. If there are newer versions available, opkg will download and install those newer versions, effectively upgrading the packages in the system.