unix change file date

Local Test Cases: # there can be no spaces on either side of the equal sign, before the error has been out here yesterday= ' date-d last-day +%y-%m-%d ' echo $yesterday curday= ' Date +%y-%m-%d ' echo $curday echo "Now time: ' Date ' +%y%m%d%T '"

When I used to solve this problem with ASP is quite simple, the ASP has the corresponding function DateDiff can give two days period interval How many months, how many days and how many seconds. When I searched through the PHP manual I found that

Use the function date () to implement the displayed in the format: year-month-day hours: minutes: secRelated Time parameters:A-"AM" or "PM"A-"AM" or "PM"D-A few days, two digits, if less than two digits before the 0; such as: "01" to "31"D-Days of

This article contains the following elements: 1, get the current date and time-how many ways do we have? 2, change the date display mode-date and time display form 3, the conversion of the current date is a Unix timestamp value 4. Change Date A.

The direct subtraction of functions is not correct, you need to do this: * * Get the current date and time In Unix, time is represented by the number of seconds that have elapsed since 0 o'clock January 1, 1970, which is called the Unix timestamp (

Unix system security considerations Processes devices into files so that unix programs are independent from devices. That is, programs do not have to understand all the features of the devices they are using, and the access devices do not have to

This article contains the following content:1. Get the current date and time-how many ways do we have?2, change the way the date is displayed-the date and time of the display form3. Convert the current date to a Unix timestamp value4. Change the

PHP Date-time function date ()1, year-month-day Copy Code code as follows: echo Date (' y-m-j '); 2007-02-6 echo Date (' y-n-j '); 07-2-6 Capital Y represents a four-digit year, while lowercase y represents a

Is UNIX used in daily office environments? Not necessarily very clumsy. Using the powerful functions and available system tools of Unix shell can greatly improve your work efficiency in the office. Introduction UNIX? The command line language is

One:Answers to the following questions in this article: 1.1) who will help you make this faq?1.2) when someone mentions 'rn (1) 'or 'ctime (3)', what does the number in the ARC mean?1.3) Why are some strange unix command names?1.4) How does the