SEG(1)SEG(1)

NAME

seg – access a named segment

SYNOPSIS

seg [ -WLrw ] segment segment-size offset [ value ]

DESCRIPTION

seg accesses a named segment as provided by e.g. certain drivers. The operation to be performed is selected with -r and -w for reading and writing, respectively. The default operation size is a byte. C style notation for integers (e.g. 0x42 or 023) is accepted for the segment-size, offset and value parameters.

-W

Perform a word (16 bit) operation  

-L

Perform a long / double word (32 bit) operation.  

SOURCE

/sys/src/cmd/seg.c

SEE

io(1)

BUGS

No check of the segment-size and offset parameters is performed whatsoever. Odd values may cause the front to fall off.

HISTORY

Seg first appeared in 9front (April, 2011).