Saturday, January 1, 2011
【 Weak current College 】 FDISK command using a method
A hard disk partition, format, every hard disk has to go through the steps. Here I will explain how to specific use FDISK to partition your hard drive.
FDISK program is DOS and Windows systems with partition software, although its functionality is not comparable with some software, but it is very safe. What are the specific steps:
1) into DOS mode. In the system to boot, "StartingWindows ... .." When pressing the "F8" key, then select "CommandPromptOnly" to go to DOS mode.
2) type "FDISK" to enter after a carriage return.
3) when the software will ask you whether to support FAT32, answer "Y", you can create a FAT32 partition, answer the "N" will use FAT16, decided after the press ENTER.
4) FDISK main menu appears, select the partition you want to establish a "1" and then enter.
5) establishes the primary partition (PrimaryPartition), select "1" after the carriage return.
6) when the system asks you whether to use the maximum available space as a primary partition, if you answer "Y", then the software will be all the disk space divided into one partition, the answer to "N" can be divided into multiple partitions, hard disks, now generally larger, if divided into a partition is not very good management, so you can choose to enter "N" to split into multiple partitions.
7) software will prompt you to enter a primary partition size, input after the carriage return.
8) finished press the ESC key to return to the main menu.
9) in the case of a hard disk, you must set an active partition before you can boot the operating system, so we need to enter "2".
10) this will prompt the user for the active partition numbers, because there is only one partition, enter "1". After the will in the status bar displays an "A", means that this partition as the active partition.
11) a hard drive can have only one primary partition, so if you now want to divide the remaining hard disk space, you must create extended partitions, back to the main menu select "2".
12) program, the user is prompted for the size of the extended partition.
13) extended partition creation is finished, it will display the primary partitions and an extended partition information, press the ESC key.
14) then prompts no logical disk information, you can move the whole extended partition divided into one logical disk, or divided into several logical disk. Now you can enter the first logical disk size, and then enter.
15) will display the first logical disk information, and ask you to enter the second logical disk size.
16) is completed you can press ESC to return to the main menu.
17) then in press ESC to exit the FDISK and restart, you can format a partition.
If you are already in a good area of repartition your hard disk, and then in the main menu, you must first enter the third after the partition to be deleted.
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Use FDISK to partition your hard drive
Partition essence is a formatted hard disk. When we create a partition, you have set up the hard drive of the physical parameters, specify the hard disk the master boot record (i.e., generally referred to as MasterBootRecord MBR) and boot record backup storage location. For file systems, and other operating systems manage hard disk required information through advanced formatting after, that is, the Format command. The parable of an image, the partition is like a sheet of white painted a large box. While the format is like in the box on the lattice. Installing various software to write in the yard. You can see, partition and format corresponds to the installation of the software, in fact, they devote to computer store data on your hard disk has played the role of tagging. Hard drive partition, we most commonly used software is fdisk.com. Below, we have some of the features and FDISK use do something more detailed description:
A case study in Win95 (Win98 and 95 are generally the same), to use the startup disk to start the computer, in the root directory of A disk, type "Format"; information appears on the screen asking you whether you want to enable FAT32 support, answer "Y" will create a FAT32 partition, answer the "N" will use FAT16, decided after pressing the Enter key. We must remember that early WIN95 and DOS does not recognize the FAT32 structure. If you want to install such a system, or choose FAT16 as well. But choose FAT16, each partition can not be larger than 2 GB. Here, we choose FAT16.
At this time, the screen will display the following 4 options
1. establish a DOS partition or logical drive
2. set the active partition
3. delete a partition or logical drive
4. to display partition information
5. If you have more than one hard drive installed, the system also appears to have 5 entries (Changecurrentfixeddiskdrive).
The establishment of primary partitions
Here, the default option is "1". If your hard drive has not established a partition, you can press the Enter key directly. Then, in the dialog box shown in Figure 11, select "primary partition (PrimaryPartition)", select "1" and then pressing the Enter key. At this point, the system will ask you whether to use the maximum available spaceAs a primary partition, the default answer is "Y", you just have to press the Enter key directly. Of course, when the program asks you whether you want to use the maximum available space as a primary partition, you can answer the "N" and then press ENTER. At this point, the system will ask you to enter a primary partition size, enter after pressing the Enter key. At this point, the system will automatically assign primary partition logical drive letter "C". And then the screen will prompt primary partitions have been set up and display the main partition the hard drive capacity and full capacity ratio, then press Esc to return to the FDISK main menu.
Establishment of extended partitions
In FDISK main menu to select "1" to "create partition menu, then select" 2 "to establish the extended partition, the screen will prompt for the current hard disk can be built to full capacity of the extended partition. At this point we if you do not need to other operating systems (such as NT, LINUX, etc.) reserved partition, so it is recommended that you use the system for all of the hard disk space, you can directly enter the establishment of an extended partition, and then the screen will display the established capacity of the extended partition.
Set the logical disk volume and capacity
The establishment of an extended partition, the system prompts the user to create a logical drive has not been, and press the "Esc" key to start sets the logical disk that prompts the user to build all the logical disk space on your hard disk, the user can according to hard drive capacity and their need to set the number of logical disks and logical disk capacity. Set is completed, the screen will show the user the logical disk volume and capacity, and then returns the FDISK main menu.
Activate hard drive primary partitions
On the hard disk at the same time there are primary partitions and an extended partition, you must be a primary partition active, otherwise after the hard disk does not boot the system. In FDISK main menu, select "2" (Setactivepartition), the screen will display the main hard drive all partition for user selection, our master only primary partitions "1" and the extended partition "2", of course, we select primary partition "1" to activate, and then returned to the FDISK main menu.
All finished, exit the FDISK program. Continue to press the "Esc" key to exit the screen to prompt the user must restart the system, you must restart the system before you can continue on the establishment of all logical disc format (Format).
Note: when you set up a partition, the following points are worth your attention:
r>1. primary partitions and logical partitions
Primary partition is in at any moment can have only one is active, when a primary partition is activated, the same hard disk on the primary partition cannot be accessed. Therefore, a primary partition operating system can no longer access the same physical hard disk on other files on the primary partition. The logical partitions are not part of an operating system, as long as the file system is compatible with the operating system starts, the operating system can access it.
Primary partitions and logical partition is an important distinction is that each logical partition is assigned a unique drive letter (letter), while in the same hard disk on the primary partition to share the same drive letter, for a moment there can be only one primary partition is active. This means that some point can only use the shared drive letter access activities of the primary partitions. The system supports up to 24 logical partition, so there may be many people would have such an error, that is a hard disk partition is much create several logical partitions, so you can avoid problems by the area affected is saved in the data in other partitions. But the fact is often not the case, a damaged partitions tend to cause the entire hard drive will not work properly. We have already mentioned primary partitions and an extended partition information is stored in the MBR, if for some reason the MBR is damaged, hard drive primary partition will not be able to use, thus enabling the boot disk containing the operating system cannot use.
Maybe some people think that the logical drive information is not saved in the MBR, and thus logical partition and not be affected. In fact, we ignore the fact that although the logical partition information is stored in the extended partition, extended partition, however, is information that is saved in the MBR. In this way, through the role of each other, so that the logical partition or from the end. But in General, a partition damage other partitions still function properly. For example, if a problem occurs on a logical partition, very often other logical partitions and primary partitions and an extended partition will not be affected. But then again, there is a problem of partitions are often those with the most frequent partition, that is, the MBR.
2. drive name assignment
When booting the system, the active partition on the operating system performs a process called drive image, it gives primary partitions and logical partition a drive name. All the primary partition is first image, logical partition specified by the subsequent letters. Generally speaking, the primary partition is defined as C, then, the number of logical partitions, gives the D, E.. Until Z. Of course, if you have two hard drives, and some changes will occur. Our examples, we will each drive is divided into two sections, the first hard drive partition of the first primary partition (drive C), the second hard drive first partition is the first hard drive D, the second partition to E, the second hard drive in the second partition to F.
3. capacity allocation
To split into several partitions as well as the first partition of capacity, depending on the users ' own ideas, some people like to use the entire hard disk partitions, planning for single others think divided into several partitions more conducive to management. For example, split into two partitions, a storage operating system files, another store the application files; or a storage operating system and application files to another storage of personal information and backup. As for the partition is used by the file system, depending on your operating system is installed. In General, the primary partitions as often for data exchange and, therefore, should not be too small capacity. ItsHe's the size of the partition is fully allocated depends on personal preference.
Partitions create finished, then we should look at the specific partition content, be aware of. In FDISK main interface, press "4", carriage return.
We are part of the analysis part. In the partition information:
① the first line is the current hard disk, because only one hard disk, hard disk number 1. The following lines is the partition information.
② the first column is the current partition, there are two parts 1, 2, represent the basic partitions and an extended partition.
③ the second column is the State. A representation is the active partition.
④ the third column is the partition type, c is the basic partition PRIDOS, that is, this is EXTDOS i.e. extended partition.
⑤ the fourth column is hard drive volume label, it is as if we give each partition name.
⑥ the fifth column is the size of the partition, with the number of megabytes (Mbytes).
⑦ the sixth column is a system file allocation table type that displays a FAT16.
⑧ last column is the primary and extended partitions, the proportion of the total capacity.
Next we'll come and see the hard drive in the B zone. At this time, the system will ask whether to view an Extended DOS partition information, selected "Y" you go to the next item.
Because only one extended partition, so only the D, E disc information displayed, although now extended partition into two logical partitions, but we can only use logical partition is called the D, E, and you cannot call this extended partition as D, E. Here the ESC key to continue.
Thus, the establishment of a partition is completed. If you are not satisfied with the existing partition, you can delete the partition again. In the create partition, we followed the steps are: create basic partition-> establishing extended partition à divided into one or several logical partitions; and we delete the partition you need to follow the following principles: to delete a logical partition-> delete the extended partition-> delete basic partitions
4. partition delete
To delete a logical partition, enter FDISK main interface. Select 3, carriage return. Select the delete partition choices, and the next level, including the following:
1. delete the primary DOS partition.
2. delete an Extended DOS partition.
3. delete the extended partition, logical partitions.
4, delete non-DOS partition.
The order of about delete partition, we already mentioned above, will not be repeated here. Need to add is that if your hard disk has a non-DOS partition, then you should delete it, and then delete the logical partition. Here, we remove the logical partition directly from the beginning. Select "3", press ENTER. The following began to delete! system will use a flashing "WARNING!" Warned, at the same prompt you to enter the logical partition you want to delete. Enter E, then enter.
At this time, you are prompted to enter the E partition label, as shown at the top of the screen for a volume label.
If not, just enter to skip. The system will then prompt to confirm, enter y to enter, E partition will be deleted. Similarly we delete D partition and then prompted all the logic in an extended partition is deleted. District
Remove finished logical partitions, back in the main interface, remove the finish will be deleted after a logical partition, extended partition, and then select Remove 3; then enter the interface. 2, then select "delete an Extended DOS partition.
Follow the prompts to enter "Y", carriage return. Extended partition will be deleted.
Remove finished after an extended partition to delete basic DOS partition, press ESC to return to. Selected item 1 "delete basic DOS partition.
And other partitioning steps, enter the volume label, enter "Y" confirmed the carriage return, basic partition will be deleted. Here, delete partitions work is complete.
Remove finished, we once again see the partition, the screen displays the current hard disk is not partitioned.
Now, the hard disk and restore to original state. If you're the last of a hard disk partition is not satisfactory, and now can restart, however, consideration should also be more thinking, ripe and then move to the other side.
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