What is the difference between mkfs ext4 and mkfs ext4dev




















Take note of this path, which will be used in 6. In the command output, the UUID is c6aceacdb54d1a4b8. The file content is described as follows:. The system saves the modifications and exits the vi editor. If information similar to the following is displayed, the automatic mounting function takes effect:. And the newer files can be continued to store under the softlink. This is too complicate for a normal pc-user. Instead tell us where we can find how to make a boot floppy with cfdisk?

I have just fixed a floppy with bg-tlb But could not find cfdisk on it. After creating the filesystem, I need to press the ENTER key to get the bash again, is there anyway to not have to press the key??

Save my name, email, and website in this browser for the next time I comment. Notify me of followup comments via e-mail. All rights reserved Terms of Service. Build a Filesystem on a Specific Device In order to build the filesystem using mkfs command, the required arguments are device-filename and filesystem-type as shown below. Appreciator January 8, , am. Jalal Hajigholamali January 8, , am. Hi, Thanks for very usable and helpful article. Thank you for any suggestion.

Best regards, cee. Kuldeep January 9, , am. Please leave a comment to start the discussion. Please keep in mind that all comments are moderated and your email address will NOT be published. Save my name, email, and website in this browser for the next time I comment. Notify me of followup comments via e-mail. You can also subscribe without commenting. This site uses Akismet to reduce spam. Learn how your comment data is processed. Note : For the purpose of this article: We will assume that you have added a new hard drive to your Linux machine, in which you will create the new ext4 partition, and If you are operating the system as an administrative user, use the sudo command to gain root privileges to run the commands shown in this article.

Creating a New Partition in Linux List the partitions using the fdisk -l or parted -l commands to identify the hard drive you want to partition.

If you liked this article, then do subscribe to email alerts for Linux tutorials. If you have any questions or doubts? Related Posts. Is there a way to create 2 ext4 partitions? The ext4 file system is a scalable extension of the ext3 file system, which was the default file system in previous versions of Fedora. Ext4 is the default file system of Fedora 14, and can support files and file systems of up to 16 terabytes in size.

It also supports an unlimited number of sub-directories the ext3 file system only supports up to 32, Further, ext4 is backward compatible with ext3 and ext2, allowing these older versions to be mounted with the ext4 driver. Main Features Ext4 uses extents as opposed to the traditional block mapping scheme used by ext2 and ext3 , which improves performance when using large files and reduces metadata overhead for large files.

In addition, ext4 also labels unallocated block groups and inode table sections accordingly, which allows them to be skipped during a file system check. This makes for quicker file system checks, which becomes more beneficial as the file system grows in size. Persistent pre-allocation. Because of delayed allocation and other performance optimizations, ext4's behavior of writing files to disk is different from ext3.



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