# arch > Display the name of the system architecture, or run a command under a different architecture. > See also: `uname`. > More information: . - Display the system's architecture: `arch` - Run a command using x86_64: `arch -x86_64 {{command}} {{argument1 argument2 ...}}` - Run a command using ARM: `arch -arm64 {{command}} {{argument1 argument2 ...}}`