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Hi,
I am using Ubuntu 10.4 and I want to change the boot loader option to boot Windows 7 by default. Every time I update Ubuntu some extra lines appears at the boot menu. I want to remove them also....

Hi,
I am a teacher of an technical institution. I used to teach Unix and Shell Programing in the institute. I use Fedora Distribution but now a days I am having a problem with hardware support and...

When I am trying to mount my windows partitions in REDHAT Enterprise Linux 5 using these command
mount -t ntfs-3g /dev/sda1 /mnt/ntfs
I have encountered with the problem mentioned below
FATAL:...

all these codes are for integers. What to do in case of floats?

How can we compare 2 floating point numbers in SHELL script?

What is the components of semaphore?

I have found a question from the exercises of my study mat. The question is
"Why are there a in-core copy and a disk-copy of i-node block and super block?"
If any one know the proper answer then...