schroot:tldr:a671c

The command schroot --all ${command} is used to execute a specific command within all available schroot environments.

Here's a breakdown of the components:

• schroot: It is a command-line tool for managing chroot environments on a Linux system. A chroot environment is a way to isolate a process and its dependencies from the rest of the system, creating a separate directory subtree with its own root directory. The schroot command is used to interact with these environments.

• --all: This option tells schroot to apply the command to all available schroot environments on the system. Instead of specifying a particular chroot environment, it will execute the command in all of them.

• ${command}: This is a placeholder for the actual command you want to execute within the chroot environments. You replace ${command} with the command you want to run. For example, if you want to execute the ls command, you would use schroot --all ls to list the contents of all available chroot environments.

In summary, the schroot --all ${command} command allows you to run a specific command within every schroot environment available on your Linux system.