check free inodes

Original article: ext2/ext3 Structure Analysis (Part 1) Http://bbs.chinaunix.net/thread-3669811-1-1.html Ext2/ext3 Structure Analysis The number of words is 2-20 000 ..Certificate ---------------------------------------------------------------------

UUID (Universally unique IDentifiers), a globally unique identifier. It is a string that identifies the storage device in the system so that it determines all the storage devices in the system. Why should I use UUID? Because the system

The focus of the previous blog post is actually the overall organizational framework of ext2. We know that the ext2 file system is composed of block groups, and the organizational structure of each block group is as follows. We even directly present

Write in front: when the partition needs to be formatted, the operating system can use the partition. will be formatted according to the file attributes/permissions set by the operating system as supported by the operating system.The cousin Linux

In linux, any file has an inode corresponding to it. That is to say, in a file system, a file has a unique ino to mark it, in the ext4 system, how does ino determine? When we create a new file or directory, the ext4_create function is called. The

Free Total used free shared buffers cachedmem: 1920472 1845892 74580 462708 338068-/+ buffers/cache: 1045116 875356Swap: 0 0 0[Email protected]

Method One: First, view the current system partition situation: >free-m Create a file for the swap partition: >dd If=/dev/zero of=/whatever/swap bs=block_size (10M) count=number_of_block (3000) Third, set up swap partition files:

Method 1: 1. view the current partition of the system: > Free-m 2. Create a file for swap partition: & Gt; dd if =/dev/zero of =/whatever/swap bs = block_size (10 M) count = number_of_block (3000) 3. Set swap partition files: > Mkswap/export/swap/

Linux disk and file system Formatting Because each file system settings set the file attributes/permissions are not the same, in order to store the data, you need to format the partition, such as in the Linux file system, there is,,

In the previous three articles, we briefly introduced the Linux system user management, file operation and so on, are relatively superficial basic operations. We're going to go into this section, from the filesystem we want to see the disk system.