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sys-chdir(2) - Unix First Edition Manual Page
11/3/71SYS_CHDIR (II)

NAME chdir -- change working directory
SYNOPSIS sys chdir; dirname / chdir = 12.
DESCRIPTION dirname is address of the pathname of a directory,terminated by a 0 byte. chdir causes this directory to

become the current working directory.
DIAGNOSTICS The error bit (c--bit) is set if the given name is not thatof a directory.

OWNER ken, dmr