because on linux, if the named is already stopped, when we tried to stop named, the return code is 0 with a warning message; while on AIX, if the named is already stopped, when we tried to stop named, the return code is 1, it's different with Linux.
because on linux, if the named is already stopped, when we tried to stop named, the return code is 0 with a warning message; while on AIX, if the named is already stopped, when we tried to stop named, the return code is 1, it's different with Linux.