Entry in Page 45
CHDIR dname$CHDIR dname$ Change into to the directory $dname. $dname can also be “..” (dot dot) for up one directory or “\” for the root directory. The starting point is the current directory on the current drive.
Entry in table of commands Page 117
CHDIR dir$
Change the current working directory on the default drive to ‘dir$’ The special entry “.” represents the parent of the current directory and “.” represents the current directory. “/” is the root directory.
Page 45 does not mention “.”
Page 117 has “.” for both current and parent directory and does not mention “\”