arch:tldr:b6b5d

The command arch -x86_64 "${command}" is a shell command used to execute a specific command using the x86_64 architecture on a macOS system.

Here's the breakdown of each part:

• arch: This is the command used to run binary code for a specific architecture on macOS.
• -x86_64: This option specifies the architecture to use, in this case, x86_64.
• "${command}": This is a placeholder for the actual command you want to execute using the specified architecture. You need to replace ${command} with the desired command you want to run.

By running this command, you are instructing the shell to execute the specified command using the x86_64 architecture, which may be necessary in some cases to ensure compatibility or performance.