# dash > Debian Almquist Shell. Roughly 4x times faster than Bash. > Modern POSIX-compliant implementation of `sh`(isn't Bash compatible). - Start interactive shell: `dash` - Execute a command: `dash -c "{{command}}"` - Run commands from a file: `dash {{file.sh}}` - Run commands from a file, logging all commands executed to the terminal: `dash -x {{file.sh}}`