Most Widely and Easily Applicable Universe

• Runs any serial job

Limitations

• Intended for programs which cannot be re-linked to the Condor libs; also for shell scripts.
• Jobs cannot be checkpointed/migrated — suspended or killed only.

IO and File Transfer

• No remote system calls:
  • shared filesystem (NFS or AFS) assumed by default;
  • file transfer can be explicitly specified instead.