DB2 Common CommandsFirst, the basic article1. DB2 Connect to --Connect to local database nameDB2 Connect to user Using --connect to the remote database2. DB2 force application All--forcing all applications to disconnect from the database3. DB2
First,InodeWhat is it? To understand the inode, start with the file storage.The file is stored on the hard disk, and the minimum storage unit for the hard disk is called "Sector" (Sector). Each sector is stored 512 bytes (equivalent to 0.5KB).When
Device block, inode, file nameTurn from:Http://www.ruanyifeng.com/blog/2011/12/inode.htmlhttp://blog.s135.com/post/295/Http://hi.baidu.com/leejun_2005/blog/item/d9aa13a53b3af6e99152ee7e.htmlFirst, what is the inode?To understand the inode, start
1 command format:指定目录>指定条件>指定动作>Most common example: Find file names (ignoring case)$find . -iname sqlquery.java1.1 The directory to search for and all its subdirectories. The current directory is assumed by default. find default recursive specified
Echo:display A line of text, which is added by default. -E: escape escapes special characters-N: Do not wrap the last line no LRcp: File copy, rule: Only the last target, copy a file to a file or multiple files to a directory !-r: Recursive copy
The role of the Touch command is to create a new blank file and access (access) and modify (modify) timestamp for the file that is updatedView Help for TouchNote: Modify changes to the contents of the file, regardless of whether access or modify
1. Take the ext2 file system as an example under Linux, the first disk is the MBR (MBR (main boot record) master boot record), the size of 512Byte under each partition, the part one is the boot sector, Next is the super block, then the inode, and
Here is the basics of storage management for Linux, using a new hard drive device step (partition, format, mount Partition).First, Linux storage Management basic knowledge point1. Hardware compositionIn the computer basic knowledge, each hardware is
LS lists directory contents1. command formatls [option] [ directory name ]2. Command functionShow current directory contents,iflsspecify a different directory,then the files and directories in the specified directory will be displayed.
Date Show System TimeClock: Show Hardware TimeHwclock–w: Write the system time to the hardwareHwclock–s: Write hardware time into the systemCal:calender(Calendar)printenv Display current environment variable informationMan HelpInternal command
Recently the network has been a bit of a problem, to the current network to check the log, found that the file written to the local disk when a large number of errors, view file and folder permissions no problem;Df-h looked at the disk space is
Document management===================mkdir Creating a Directory-p/Path/directory name (parent path does not exist-p)---------------------------------------Touch Create FileActually create a file timestamp------------------------------------------ln
Reprinted from: http://www.ruanyifeng.com/blog/2011/12/inode.htmlThis article on the inode to explain the more thorough, good article sharing, one is the collection, two is let everybody also can study together (already understood to skip), for some
Device block, inode, file nameFirst, what is the inode?To understand the inode, start with the file storage. The file is stored on the hard disk, and the minimum storage unit for the hard disk is called "Sector" (Sector). Each sector is stored 512
Directory Management1. LS [parameter] [target directory]LS list directory subdirectories and files-A lists all directories and files including hidden directories-l list File details: From left to right file type, permissions, owner, genus, size,
A directory is a file, a path mapping file; a path is a location (hierarchical) from a specified starting point to a destination.The path is divided into 2 types:Absolute path: Starting from the root, after subdirectories, double directories, files;
When partitioning and formatting partitions, the entire partition is divided into two parts, the Inode and data block (where the actual data is placed in the data region), which is the unique identifier (directory, archive) file in a file system.
1. What are the file management commands on Linux, their commonly used methods and their related examples?First, the file Rights Management class commandChown: Changing the file ownerchown [OPTION] ... [OWNER] [: [GROUP]] FILE ...Common Parameters-R:
1. What are the file management commands on Linux, their commonly used methods and their related examples?Cp,mv,rmCP: Copying Files or directoriesIf the target does not exist: Creates a new target and saves the content to the targetIf the directory
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