# Classic mode

- [Format and Schema](/manual/2.2/administration/configuring-fluent-bit/classic-mode/format-schema.md)
- [Configuration File](/manual/2.2/administration/configuring-fluent-bit/classic-mode/configuration-file.md): This page describes the main configuration file used by Fluent Bit
- [Variables](/manual/2.2/administration/configuring-fluent-bit/classic-mode/variables.md)
- [Commands](/manual/2.2/administration/configuring-fluent-bit/classic-mode/commands.md)
- [Upstream Servers](/manual/2.2/administration/configuring-fluent-bit/classic-mode/upstream-servers.md)
- [Record Accessor](/manual/2.2/administration/configuring-fluent-bit/classic-mode/record-accessor.md): A full feature set to access content of your records