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    Two questions in one regarding external HDD

    i) Have you emptied the Trash? (Like in Windows, removing file in Finder only moves it to trash, you have to empty it to free the disk) If you mount a USB disk, it is disk, so it behaves like disk. But, you might like to format it using HFS+ filesystem (the OS X default one) to be able to use...
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    DPKG Snow Leopard

    I know nothing about Cydia Repo, but it seems that since you do not have /sw/bin directory, you need to add some other stuff also. At least Fink puts its files to /sw directory, maybe you need to install it also.
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    "/usr/bin/ld: -L: directory name missing" error

    The -L option means "search directory", i.e. directory from which libraries marked with -l option are searched. You can have several -L options, so there are several directories to search from. The directory is written directly after the letter, but on your output, you have "-L...
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    total time operating

    Command ac might help. For me, "ac av" (av is my account) prints and since my MBP is quite new, it seems about right. Manual says, that ac prints a record of individual login and logout time. If no user name is given, it prints total time of all active accounts on the system.
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    Keyboard Recommendations?

    You are best to tell what keyboard has the best feel - for you. For example I prefer Microsoft's Natural Keyboard, but I know several who claim they cannot even type with it.
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    Mac OSX Screensaver Issue...

    Does your Mac show any kind of screensaver? When fiddling on my OS X 10.6's settinga, it told that my Macbook Pro will blank the screen before the screensaver will start, so no screensaver is shown.
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    Unable to Run Shell Scripts

    No, chmod x ./helloworld does not, but chmod +x ./helloworld does. (I guess the reason for + is that you can use chmod -x ./helloworld to remove the rights.)
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    Unable to Run Shell Scripts

    The error message tells it. You do not have permission. Ok, since you created the file, it is your file and you have permission to read and edit it, but not to execute it. Normally text files are not to be executed, so you have to make it executable. Type: chmod u+x ./helloworld.sh and...
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    MacBook Pro is not recognising DVDs

    I have also problem with my MBP's DVD player. I bought CD/DVD cleaning disk, and it helped, somewhat. However now the player does not like to play the cleaning disk, so I guess it is gone. I searched net for replacement drives, but they seem to be so expensive it is not worth the trouble. Some...
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    What Type of File Is It?

    It seems that strings attempts to read the file to memory, but cannot (you do not have 2GB free memory), so the it attempts to map it to memory. Mapping file to memory means that the file comes part of the virtual memory. Most likely this fails, since you have 32 bit system, and already have...
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    NTFS on Mac?

    Formatting a disk does two things: it checks if there are any bad areas in the disk and marks them unavailable and then it makes it suitable for the filesystem (builds dictionaries, adds journal files etc). As the name implies, NTFS Quick does not check the bad areas. But since you already had...
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    In what ways does size matter with Ghz, GB Ram and GB hard disc?

    The amount of memory needed is totally dependent on what you are going to do with your computer. Since you are going to use it to run web browsing, email and word processing, optimal case is to have enough memory to fit web browser, email program and word processor all at once without swapping...
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    file

    I have not used Limewire, so I do not know, but how do you know that you downloaded the file if it is empty? Does it tell how many bytes you have downloaded? Have you tried some other file?
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    Extending network with D-Link DAP-1522

    I bought a TV that has ethernet port. Since the TV is on another room than my Airport Extreme, I have to connect them either with long ethernet cable or wlan. I looked Wlan-ethernet bridges, and D-Link DAP-1522 seems suitable. But, has anyone else tried it with Airport Extreme? If so, were there...
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    Unable to open a dmg file

    Also, if the "other disk" where you dropped the DMG was FAT32 formatted, the maximum filesize is 2GB, so if the DMG was bigger, end of it are lost. (If you need to use FAT32 disk, try the split command on Terminal.App to split and cat to combine the splitted file back)
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    jar file help

    No, since newer versions of Java bring new features to the language (and thus the programs). So if the program (which is in the .jar file) uses a feature introduced in Java 1.6, there is no way you can downgrade the program binary to older version. If you have sources of the program, it might...
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    Run a unix command on startup

    Manual says to use /etc/rc.local, but I guess Tiger and Leopard do not use it any more. Little searching gave following web page http://developer.apple.com/MacOsX/launchd.html. I did not try it, so tell us how it works.
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    Terminal question

    The disk images you see on the desktop are under directory /Volumes, so type cd /Volumes if you like to see the disks. But, since most files are from the Macintosh-HD, cd / is more likely what you are after.
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    Oracle to buy Sun, what happens to ZFS?

    Sun and Oracle today announced a definitive agreement for Oracle to acquire Sun for $9.50 per share in cash. The Sun Board of Directors has unanimously approved the transaction. It is anticipated to close this summer. (SUN). Everyone has being worried about SUN's MySQL, but what about SUN's...
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    Page ins and page outs - could somebody please explain this to me in idiot fashion?

    Load averages tell how many processes are there waiting for their turn. The values are for one minute, five minute and fifteen minute averages. So if the values are 0.2 1.2 12.4 and you have one processor, during last minute there has been 0.2 processes running, i.e 80% of the time the...
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