Keywords: sic

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## Interacting with the Operating System

Since SIC was designed to be portable on various operating systems (Unix, Mac-OS, MS-Windows, and in the past the defunct VMS), interaction with the operating system is normally kept to a minimum.

However, many operations eventually deal with files handled by the operating system. To avoid platform dependencies, SIC allows some basic file operations through the `SIC` command.

When control is desired at the operating system level, the command `SYSTEM` can be used to access it without loosing the SIC context. For user convenience, SIC also accepts the short-cut

            $ operating_system command

instead of the more conventional SIC-like syntax

            SYSTEM "operating_system command"

Subsections

- File Operations
- SYSTEM Command: Unix-like operating system