typical Mac OS X files

[McGiord]

Hello,

I would like to know what are all this files for?

They are located inside :

/usr/share

NotificationServer langid
Ssh.bin libiodbc
TargetConfigs locale
aclocal man
ant maven
apr-1 mecab
bakefile misc
caldavd openmpi
calendar openmpi-default-hostfile
cracklib openmpi-mca-params.conf
cups openmpi-totalview.tcl
derby podcastproducer
dict ri
doc sandbox
emacs screen
enscript servermgrd
examples skel
file snmp
ftpd swig
germantok tabset
groff tcsh
gtk-doc terminfo
gutenprint texi2html
hiutil texinfo
httpd uucp
icu vim
info zoneinfo
java zsh
junit

 

[GGJstudios]

They're used by your system, and that should be a hidden folder. Why do you need to know what they're used for?

Contains various data and text files that can, in principle, be shared by multiple architectures (a distinction which makes a lot more sense under other flavors of unix than it does under Mac OS X).

 

[McGiord]

Because my Mac is having issues, and after using Disk Utility to check the drive and repair permissions, the permissions for usr/etc/derby were not repaired properly, after searching about it it seems to be a flash known issue and it should be ignored.
But now I wonder about all these other files.
I would like to know about them, what are they for?

 

[GGJstudios]

Mac OS X: Disk Utility's Repair Disk Permissions messages that you can safely ignore

They're used by Mac OS X for a variety of purposes. If you want to know about all of them, you'd have to learn a LOT about the detailed workings of Mac OS X.

What issues are you having?

 

[McGiord]

I just want to have a general idea, or at aeast a list to compare to, so I am sure that all the files there are the ones that should be there. Do you mind sharing your list?

I have a MBP late 2008, with 2.8Ghz and 4MB RAM and a 500 GB HDD (I replaced the original 320GB when installed Snow Leopard).

The issues my mac is experiencing started last Friday.
Last week I was on the road, and took an flight on tuesday, and the plane was very small and unfortunately I had to gate check my bag, so my MBP had a 'flight cargo' trip.
From Tuesday to Friday everything worked fine.
And on Friday on my way back home it didn't want to boot, when I was at the airport waiting for my flight.
Back home on Saturday it was stuck on the blue screen, so POST and all the previous steps were passing OK, only the user window interface was not.
I tried Safe Mode, no good.
Single User Mode allowed me to renamed the preferences folders and other stuff I don't recall now, but I was following an apple support doc.
After that my Mac Booted fine.
Did Disk Utility check, hard disk drive fine.
Noticed the permissions failure messages.
Tried to fix that, then found the same apple support doc you posted (thanks).
And since yesterday it is crashing, giving me the You should restart your Mac message in diffrent languages and with the grey/faded screen.
After that restart sometimes it boots, and sometimes I need to boot with the CD and use Disk Utility, and today I was trying to use apple hardware test from my Snow Leopard family pack and it seems that is not there.

I am searching for my original MBP discs to do the apple hardware test.
And I am thinking on removing the HDD and the RAM, and installing them again, just to double check that they are not loose.

Then run the apple hardware test.

Any suggestions are welcome.