Can you completely explain the nine permissions bits on UNIX or Linux files?

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Q. My SATA drive is being displayed as /dev/hda instead of /dev/sda. How do I fix this problem and make sure I get /dev/sda and speed of SATA under Linux operating systems?


Q. How can I copy one hard disk to another using dd command? A. dd command can copy disk in raw format. It will copy partition table and bootloader and all partitions within this disk. For example, you can copy /dev/sda to /dev/sdb (same size) using the following dd command. dd should complete with no […]


Can you tell me a Linux command to find out information about my hard disk such as description, product name, bus type, size, and cache memory size under Linux operating systems using command line options?


How do I find out the make, model and serial number for my SCSI or IDE hard disks under CentOS Linux server? How do I get vendor information about my disk storage w/o opening my Intel / AMD server chassis?


Q. My system comes with pre installed Linux and XP. Now I would like to delete a partition. How do I delete a partition? A. Hard disks can be divided into one or more logical disks called partitions. This division is described in the partition table found in sector 0 of the disk. You need […]