ps command

The ps command displays information about active processes to standard output.

Use this command to verify the existence (or nonexistence) of slattach processes that are used to assign a tty line to network interfaces.

If netstat -in shows that the interface is down, the user should run the ps -ef | grep slat command to see if an slattach process is currently running on the associated tty port. Note that for a directly connected SLIP interface, broken connections are retried automatically without manual intervention. For a SLIP interface connected by modem, broken connections must be manually redialed. If a user supplies a dial string in the slattach command line, the user must reenter the command and dial string to restore a broken connection.