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# [TIME OPTIONS](#TIME_OPTIONS)

Timeouts for the bus masters were previously listed in *Device options.* Timeouts for the cache affect the time that data stays in memory. Default values are shown.

## [--timeout\_volatile=15](#-timeout_volatile=15)

Seconds until a *volatile* property expires in the cache. Volatile properties are those (like temperature) that change on their own.

Can be changed dynamically at */settings/timeout/volatile*

## [--timeout\_stable=300](#-timeout_stable=300)

Seconds until a *stable* property expires in the cache. Stable properties are those that shouldn't change unless explicitly changed. Memory contents for example.

Can be changed dynamically at */settings/timeout/stable*

## [--timeout\_directory=60](#-timeout_directory=60)

Seconds until a *directory* listing expires in the cache. Directory lists are the 1-wire devices found on the bus.

Can be changed dynamically at */settings/timeout/directory*

## [--timeout\_presence=120](#-timeout_presence=120)

Seconds until the *presence* and bus location of a 1-wire device expires in the cache.

Can be changed dynamically at */settings/timeout/presence*

**There are also timeouts for specific program responses:**

## [--timeout\_server=5](#-timeout_server=5)

Seconds until the expected response from the [**owserver (1)**](/man/os/owfs/owserver.1) is deemed tardy.

Can be changed dynamically at */settings/timeout/server*

## [--timeout\_ftp=900](#-timeout_ftp=900)

Seconds that an ftp session is kept alive.

Can be changed dynamically at */settings/timeout/ftp*

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Document: timeout(1so) from owfs 3.2.4-r9 (Chainguard OS)
Source: https://github.com/owfs/owfs