object

# `os`

Portable operating-system access predicates.

Author: Paulo Moura
Version: 1.53
Date: 2019/5/7
Compilation flags:
`static, context_switching_calls`
Implements:
`public` osp
Aliases:
`osp` `absolute_file_name/2` aka `expand_path/2`

## Public interface

(see related entities)

## Protected interface

(see related entities)

## Private predicates

(see related entities)

## Operators

(none)

## Remarks

- File path expansion: To ensure portability, all file paths are expanded before being handed to the backend Prolog system.

- Missing implementations: A few predicates (e.g. wall_time/1) cannot be implemented in some backend Prolog systems.

See also

os_types