[PC-BSD] Sort of n00b question

I am installing PCBSD right now from the same lines as FreeBSD ... 8.1 to 8.2. I asked this here instead of there because my type of question is not OS specific when it comes this far, really.

I am instructed to run an xterm from outside of the upgrade GUI installation window to evade the following error:

System hang when the upgrade system tries to "uninstall: linux-f10-atk-1.24.0"

The repair instructions are as follows:

"Right-click an area on the desktop outside of the installation window and select xterm from the menu to open up a terminal. Comment out the "linprocfs" line in the file /etc/fstab by putting a # in front of that line. Save the file and continue with the upgrade. Once the upgrade is complete, remove the # from that line and reboot into the upgraded system."

All I really need to know is how to use xterm to edit the /etc/fstab that's located inside of my BSD HDD.

I am used to old Ubuntu stuff way back when I used to run like sudo gedit /etc/fstab

Clearly, however, I cannot randomly access stuff like "kwrite" right in the middle of this.

Ergo my sort of confusion.
 
xterm gives you a shell, I presume. So you can su to root and edit /etc/fstab with vi, ee, or whatever editor.
 
Don't I need to cd to my HDD that holds all of that stuff though? And how would this vi, or ee exist without me pulling from an HDD OS that contains their app files? All I have to work with is my active in-RAM PCBSD Boot disc and the xterm. Is there some txt-based way to navigate to the /dev area of my chosen BSD HDD with this? (I have 4 internal HDDs with 6 total partitions).
 
necromight said:
I did that, exactly, but with the extension of [umount /dev/mybsdpartition/linprocfs]

And I got:

Code:
no such file or directory

I did the extended path directories because I also tried just what you said, identically. Both options gave me
Code:
no such file or directory
so I tried that second time to see if I was supposed to cd to /dev or something. Neither attempt worked.
 
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