Shell

ADB shell am Use this command to start activity, services, send broadcast, etc. from the cmd console:1C:\users\administrator>adb shell am2 usage:am [subcommand] [options]3 4Start an activity:am start [-d] [-W] 5-d:enable Debugging6-W:wait forlaunch

Lee produced, reproduced please specify the source http://blog.csdn.net/hnulwt/article/details/43234977Continue with what you learned last time, this time studying case statements and the function concepts of the shell.Case statementFirst look at

Transferred from: http://www.1987.name/151.html　　The Read command is an internal command for reading input from a terminal or a file, and the Read command reads an entire line of input, and the newline character at the end of each line is not read

IntroductionShell, we often use, with its powerful features, will help us solve a lot of difficult problems. Recently encountered a problem, to run a lot of case, assuming that the serial execution, it takes a long time. Can we get them to go

At present, more and more enterprise applications are deployed on Linux systems, and Linux Shell scripts can greatly help us to perform operational tasks for these applications. This makes the Linux Shell development skills an important and

　　1, "\" usageUsed to turn off the special meaning of its subsequent characters, to restore the character's own meaning, such as: \ \ represents the character \2, "." UsageMatch any single character3, "*" UsageMatches any character, can be a single,

I. Special documents : /dev/null and/dev/ttyThe Linux system provides two special files that are very useful for Shell programming,/dev/null and/dev/tty. Where/dev/null will lose all the data written to it, in other words, when the program writes

PrefaceTo remove an element from a list in Java, you can use the Remove method directly.In the JS array does not have the Remove method, but in the JS array has the Splice method can achieve the same effect, in addition, you can also use other ways

The shell is much more programmatic in terms of programming than Windows batch processing, both in loops and operations.Bash supports one-dimensional arrays (which do not support multidimensional arrays) and does not limit the size of arrays.

After you install Lync2013 on Windows R2, the Lync Management Shell does not open properly, such as:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/41/5A/wKioL1PTfSrS4XniAAC4xFArUeA489.jpg "style=" float: none; "title=" 1.jpg "alt=" Wkiol1

Method 1: send a single attachment (Garbled text) Mutt-s "mail subject"-A output_email.html -- tomail@163.com Or Cat output_email.html |Mutt-s "mail subject"-A output_email.html -- tomail@163.com Effect: Email body garbled Method 2:

From the operating system perspective, a job is a user task running in a computer system. In Unix/Linux systems, a job can be defined as one or more commands entered in the command line. Linux is a real multi-user and multi-task operating system,

The basic course of Linux Shell script describes the beginning, comments, variables, and environment variables of the basic syntax. Here we will introduce the first part of the shell command and control process, three types of commands can be used

ArticleDirectory File status test 1. File condition test-R readable-W writable-X executable-D directory-F: General Files-Block B Devices-C character device-U file SUID-L Symbolic Link-S file is greater than 0, not empty-E: whether

Recently, in the process of sorting out bash knowledge, I had the honor to read the man bash document. For a while, I was just like a hacker, and many places I didn't understand were suddenly open-minded. Now I want to share one of them, at the same

In shell, you can use export to modify the environment variables of the current process. For example,Export Path =.: $ pathYou can add the current path to the executable file search path, so that you do not need to press "./excutable" to execute the

I. Arithmetic Operators: Operator DescriptionMing Example EndResult + Add integers;Concatenates strings, arrays, and hash tables.A hash table cannot have the same key. 1 + 1"ABC" + "def""ABC" + 123"A", "B" + "C""A", "

Blog has been migrated, new address Bytes ---------------------------------------------------------------------------------------- In practice, you need to test the correctness of shell scripts. How can we test in the fastest and most effective

Sed and awk Background When designing a script, you may need to modify the script, such as deleting or replacing some keywords. This method of dynamically modifying files during script execution is called Stream editing. A tool with stream editing

I. First, let's look at the following in linux: Copy codeThe Code is as follows :#! /Bin/bash Cd/ftp/ CURRENTDATE = 'date + % Y % m % d' YESTERDAY = 'date-d yesterday + % Y % m % d' THREEDAYAGO = 'date-d' 3 days ago '+ % Y % m % d' # Echo $