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## 16 Utilities

Commands that don't fit any other category are placed here.

Most of these commands are not affected by commands like `IF` and `LOOP`: they take effect only once, unconditionally, at the time that they are encountered in the input.

- ADD DOCUMENT: Add documentary text to the active dataset.
- CACHE: Ignored for compatibility.
- CD: Change the current directory.
- COMMENT: Document your syntax file.
- DOCUMENT: Document the active dataset.
- DISPLAY DOCUMENTS: Display active dataset documents.
- DISPLAY FILE LABEL: Display the active dataset label.
- DROP DOCUMENTS: Remove documents from the active dataset.
- ECHO: Write a string to the output stream.
- ERASE: Erase a file.
- EXECUTE: Execute pending transformations.
- FILE LABEL: Set the active dataset's label.
- FINISH: Terminate the pspp session.
- HOST: Temporarily return to the operating system.
- INCLUDE: Include a file within the current one.
- INSERT: Insert a file within the current one.
- PERMISSIONS: Change permissions on a file.
- PRESERVE and RESTORE: Saving settings and restoring them later.
- SET: Adjust pspp runtime parameters.
- SHOW: Display runtime parameters.
- SUBTITLE: Provide a document subtitle.
- TITLE: Provide a document title.