Touch Modify Timestamp ( often used to create empty files )1 , command formatTouch [Options]file ...2 , command functions used to modify the file timestamp, access time, modification time, change time, if any parameters are not added by default
In linux, touch command parameters are not commonly used. they may be used when you use make to modify the file timestamp or create a new file that does not exist. The following are touch command parameters in linux.
In linux, touch command
Iphone/ipad no keyboard design for the screen for more display space, large screen in view of pictures, text, video and so on to bring users a better user experience. Touch screens are the primary way for iOS devices to accept user input, including
Function: Modify the time that the file already exists, Access time (modification time). Create a new blank file for files that do not exist.Syntax: Touch [Options] File
Short Options
Long Options
meaning
-A
The iphone/ipad keyboard-less design is to win more display space for the screen. The large screen provides a better user experience in viewing pictures, text, and videos. The touch screen is the main method for iOS devices to accept user input,
Linux of the Touch command to modify the file timestamp, or create a new file that does not exist . 650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M00/80/3E/wKiom1c8AQbyRcOfAAA4lWtVNn4553.png "title=" Qq20160518110554.png "style=" Float:left,
1. IOS the events inThere are a variety of events that occur during the user's use of the app, and the events in iOS can be divided into 3 major types:2 , Responder ObjectNot all objects in iOS can handle events, only objects that inherit
• Not all objects in iOS can handle events, only objects that inherit Uiresponder can receive and handle events. What we call the "responder object" uiapplication, Uiviewcontroller, and UIView inherit from Uiresponder, so they are all responder
Linux File touch command and file Timestamp1. Check the time attribute of the file before naming touch. Run the stat command to view the File: [root @ localhost test] # stat f1 File: 'f1' Size: 34 Blocks: 8 IO Block: 4096 regular fileDevice: fd00h/64
Linux of the Touch commands are not commonly used, generally in use Make may be used to modify the file timestamp, or to create a new file that does not exist. . 1 . command format:Touch [ options] ... File ...2 . Command parameters: -A
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