XWin shows in "ps -a" but not in "ps"

XWin shows in "ps -a" but not in "ps"

[Fergus]

I have XWin running and it shows up as a process under
ps -a
but not under
ps

I think this behaviour is recent: certainly it has perturbed what were 
previously well-behaved scripts.

Supplementary:
I was basically using ps | grep in a script to query whether XWin was 
running. Am I correct that there is a procedure built in that will 
achieve this?

Thank you.

Fergus


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Re: XWin shows in "ps -a" but not in "ps"

[Morgan Gangwere]

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Hash: SHA1

On 08/13/2010 05:01 AM, Fergus wrote:
> I have XWin running and it shows up as a process under
> ps -a
> but not under
> ps

Time for another round of the blame game!

What's happening is that your shell is getting instantiated on a new vty.

Even on my /linux/ box, ps only ever shows up with what's running under
the child of my shell, so its not ps's fault, its more than likely
/XWin's/ fault for how it handled shells before.

More than likely however is that in your ~/.bashrc at one point before
was the line

alias ps='ps -a'

Even I have a few lines like that:

alias egrep='egrep --color=auto'
alias ls='ls --color=auto'
alias ll=' ls -alF'

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