If the boot process has reach the stadium where vmur is available, you can just 
send files to another Linux, fix it and send it back again.
/Tore

Tore Agblad
Infrastructure Architect – Mainframe zOpen
HCL Technologies Ltd.
DA1S
Gunnar Engellaus väg 3, 418 78 Gothenburg, Sweden 
Direct: +46 31 3233569
Mob: +46 76 5533569
www.hcltech.com
www.hcl.com


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-----Original Message-----
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Robert J 
Brenneman
Sent: den 22 september 2016 7:08
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Best way to edit Linux files in z/VM 3270

the /best/ way to edit linux files on 3270 is not to. Plan ahead and make
backup copies of important config files before making changes and rebooting
so you can just rename the backup back in place.

but when one must, ed is available. You have to think of it as a typewriter
though. It is not capable or aware of a terminal that can display multiple
lines - basically you have a keyboard with no arrow keys, no PF keys, no
pgup pgdn home end keys to use to talk to ed, and ed is only able to talk
back to you by spitting out a single line of output at a time with a
carriage return at the end.

cat / head / tail / sed can also be used to assemble a new file out of an
existing but broken one.



--
Jay Brenneman

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