what is disk usage

Use the DF command to view disk usage:Df-h: Automatically adjust disk size unitsDf-k: Display size in units of KDF-M: Display size in MDf-i: View the number of inode used per partition on the diskDf-t: View the file system format of the diskNote the

At the end of the year although there are a variety of alarms, but still need to do a full network patrol, here to disk utilization rate as an example. Because the current platform is using the commercial version of the BMC, the Automation tool in

Mobile hard disk learning, how to use a good mobile hard drive to ensure the security of data transfer and storage, has become a more topical topic. In order to relieve everyone's worries, small series on this topic carefully for the reader friend

Table size Informationpostgres=# SELECT *, Pg_size_pretty (total_bytes) as Totalpostgres-#, Pg_size_pretty (index_bytes) as Indexpostgres-#, Pg_size_pretty (toast_bytes) as Toastpostgres-#, Pg_size_pretty (table_bytes) as tablepostgres-# from

Check the status of the entire library:Select Concat (Truncate (SUM (data_length)/1024/1024,2), ' MB ') as Data_size,Concat (Truncate (SUM (max_data_length)/1024/1024,2), ' MB ') as Max_data_size,Concat (Truncate (SUM (data_free)/1024/1024,2), ' MB '

Usually when you use the WIN7 operating system, when you right-click on the disk "properties" you will see that there is a "quota" option, some users may never think of what this is, in fact, this function is very practical, if a computer has more

This script is mainly used for Zabbix monitoring system hard disk only, for Windows and Linux systems, the return value of 0 is normal, there are several partitions of hard disk remaining less than 10G or less than 10% for alarm thresholds

The code for Java to obtain current system memory is as follows: /** *//** 　http://www.bt285.cn/ http://www.5a520.cn/ */ import java.lang.management.ManagementFactory; import com.sun.management.OperatingSystemMXBean; public class OSTest { 　　　

In Linux, run the "du" command to view the file size and display the number of file blocks. If the specified File parameter is actually a directory, all files in the directory should be reported. If the File parameter is not provided, the du command

Disk I/O performance metrics and tuning method bitsCN.com Before introducing the disk I/O monitoring command, we need to understand the disk I/O performance monitoring metrics, as well as the disk performance of each indicator. Disk I/O performance

The dudu command of a linux command per day is used to summarize the disk usage of each & lt; file & gt; and the total usage of the Directory. By default, the current directory can be associated with a specific file or directory. Www.2cto. comdu

1. Change the owner of the fileCommand: Chown [-CFHVR] [--help] [--version] user[:group] File ...Function: Change the owner of a file or folderParameter format:User: The user of the new file owner idGROUP: The user group of the new file owner (group)

Transferred from: http://blog.csdn.net/kmesg/article/details/6570800Today, some classmates asked me to look at the directory size under Linux command, now also will be the former learning to DU/DF two command summary of it.In the pre-test work, we

http://www.ibm.com/developerworks/cn/linux/l-dynlink/program linking and loading and implementation of dynamic link under LinuxThere are many ways to link and load a program, and today the most popular are dynamic-link, dynamic-loading methods. This

Du view the directory size, DF to view disk usage.I often use commands (sudo uses root privileges, if necessary),1. View the size of a directory: du-hs/home/master/documentsView the size of all directories under the directory and sort by size

Disk I/O monitoring is a very important part of unix/linux system management. It can monitor the throughput, the number of I/O per second, disk utilization, service time and other information, and when the exception is found, send alarm information

1> to display disk usage for a directory tree and every subtreeDu/home/linuxThis shows the number of disk blocks in the/home/linux directory and each of its subdirectories. 2> to display the disk usage of a tree and each of its subtrees in 1024-byte

1, DF command Linux can be used with DF command to obtain the use of hard disk, through the man can get the details of the DF command. The parameters commonly used by the DF command are: A: Displays all the file systems and the disk usage

1. Check processThe PS command finds the PID number associated with the process:PS A shows all programs under the current terminal, including other users ' programs.Ps-a Show All Programs.PS C shows the actual instruction name of each program when

Microsoft has been claiming that exchange's transport engine is adequate for a very large amount of mail transmission (extremely large volumes of messages), but in real-world scenarios, there are many times when the physical resources of the server