ps, test, /dev/null questions

[Khosla, Deepak]

Hi,

Can anyone answer these for me - I've looked through the docs but no 
man on ps :-(

1)	ps -ef does not return all the jobs on the system. Is there a way I 
can look at all the jobs and not just the children of my session?
2)	test -w Dir returns FALSE even though I can write to the directory 
DIR
3)	I have found through some emails that people use nul: as the 
equivalent of /dev/null (in Unix). Is that accurate and corect? Is 
that dcumented anywhere?

Regards

Deepak Khosla
281-514-9234
Deepak.Khosla@compaq.com


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