Four questions with my guessed answers. Please would it be possible for
somebody who _knows_ the answers to respond? Then there's a 5th question, of
the right answer to which I haven't a clue. Thanks very much indeed.
Q1. When starting (a properly installed and mounted) Cygwin up using the
command c:\bin\bash --login -i <Enter> it seems that the file /etc/profile
is sought and run then the file ~/.bash_profile likewise. Yes? (This seems
to happen even when both files are empty, as evidenced by constructing them
as one-line files of the type "echo This file is called...".)
Q2. When starting Cygwin up using the command c:\bin\bash <Enter> it seems
that the file ~/.bashrc is sought and run. The file /etc/profile isn't. Yes?
Q3. Even if all 3 files exist but are empty, Cygwin (however it is started
up) "knows" what HOME is, and therefore I deduce it gets it from
/etc/passwd. So, at some stage prior to the searches described in QQ1 and 2,
/etc/passwd and /etc/group are sought. Yes?
Q4. If /etc/passwd does not exist, then $HOME is set by default to /. Yes?
My final question refers to a version of Cygwin run from a portable CD G: on
a Cygwin-free machine, and therefore I recognise that it might not get
(might not deserve) an answer. The system is mounted using the command
g:\bin\mount g:/ / and thereafter it is started using (either) g:\bin\bash
or g:\bin\bash --login -i. Apart from the differences described in Q1 and Q2
above either usage is thereafter indistinguishable (to me). The file
g:\etc\passwd contains one line
entry1:entry2:500:544:entry3:/home/entry4:/bin/bash
and works fine on machines with W98(SE). But not on NT (although,
annoyingly, I have a memory that once it did).
Q5. Because when an attempt is made to run the CD version from NT machines
it turns out that HOME is set to /, and not to /home/entry4, I deduce
(possibly wrongly) that /etc/passwd as written above is either not being
read or is inadequate to define HOME. Yes?
I know that on NT and XP systems the command mkpasswd -l generates a file
much more than one line long. I could try to use that, which would
necessitate understanding it. Yuk. And run the risk of breaking the current
happy working-ness on W98 systems. I know I could, and should, try it. But
maybe something I've written will generate a quick and clear pointer to
what's tripping the NT mounted portable system up?
Thank you.
Fergus
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