# 1 Introduction

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1.1 Scope

The SASL application provides support for:

- Error logging
- Alarm handling
- Release handling
- Report browsing

Section SASL Error Logging describes the error handler that produces the supervisor, progress, and crash reports, which can be written to screen or to a specified file. It also describes the Report Browser (RB).

The sections about release structure and release handling have been moved to section OTP Design Principles in System Documentation.

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1.2 Prerequisites

It is assumed that the reader is familiar with the Erlang programming language.