O - Set options.

Syntax:

O+c arguments
O-c arguments

Examples:

o+q
o-s&
o+ie'
o+o{}[]

Options:

On/Off
O commands turn options on or off. O+ turns an option on. O- turns an option off.
c
The + or - character is followed by another character that we have denoted c;. This character indicates what option is being turned on or off.
arguments
Some options accept one or more arguments specifying the features affected by the O command.

Description:

O turns options on or off. FRED's options can control the format of input, the format of output, the use of special characters, and the performance of additional features.

The option explain files are:

expl fred ob - Memory Allocation Option
expl fred oc - Input Translation Option
expl fred oi - Input Options
expl fred om - Monitor Option
expl fred oo - Output Options
expl fred op - Page Option
expl fred or - Read Permissions Option
expl fred oq - Quit Option
expl fred os - String Options
expl fred ot - Tabs Option
expl fred ow - Line Width Option

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