Command Line Functions

Just find the Linux apropos that have never been used, and directly enter apropos [keyword] to view commands related to keyword functions. The command actually completes the search for descriptions of other commands, lists the relevant commands, and the commands that don't necessarily appear are what you want, but can help you recall useful commands from them. Linux apropos use method, man apropos to see for himself. Linux Apropos example with Linux apropos check ...

The Product manager is a management role, this should be a lot of people agree with it, although most of this management is not personnel and finance, and do management also have title, mainly to manage a product from concept to implementation process, the final output is a specific function, meet people a certain need or desire of products or services. 　　Since it is the role of management, then from the focus of management to say how the product manager to grasp the functions of management. The management function of Product Manager focuses on product management, which is similar to project management, and staff coordination, work arrangement

"Lead" November 2012 a city subway line Line 1 opened operation so far, has become the most important travel vehicles, but with the increasing number of passengers, how to ensure the orderly operation of the subway in the case, to ensure the safety of passengers, but also become the focus of the subway management department. 　　Therefore, in the latest construction of metro line Line 4, a city subway again into the wave company, responsible for the subway police video surveillance, public security computer network system construction work, hope through the tide in the field of public security accumulation of experience, through the information means to maintain the public safety of the subway. With Metro safety ...

Zsh is a UNIX command interpreter (shell). It is similar to the standard shells of the Korn shell (Ksh), but features are more powerful than ksh, especially command-line editors, custom behavior options, and file matching. Zsh 4.3.14 This version is an error correction version of the 4.3 branch that completes the usual improvements to other shell functions. Software information: http://www.zsh.org/download address: Ftp://ftp.zsh.org/pub/zsh-dev ...

This paper introduces how to build a network database application method by MySQL of the golden combination of Web database, PHP is a server-side embedded hypertext Processing language similar to Microsoft ASP, it is a powerful tool to build dynamic website. While MySQL is a lightweight SQL database server that runs on a variety of platforms, including Windows NT and Linux, and has a GPL version, MySQL is considered the best product for building a database-driven dynamic Web site. PHP, MySQL, and Apache are Linux ...

Mpxplay. EXE [options] to play/convert file name or file list playlist:-@ playlist:http://www.aliyun.com/zixun/aggregation/17223.html "> playlist file (such as M3u,mxu) -@d PLAYLIST: Point singing mode (put the list of files to play on the left, that is, put the song into the queue)-@s PLAYLIST. Playlists: Will ...

This paper is an excerpt from the book "The Authoritative Guide to Hadoop", published by Tsinghua University Press, which is the author of Tom White, the School of Data Science and engineering, East China Normal University. This book begins with the origins of Hadoop, and integrates theory and practice to introduce Hadoop as an ideal tool for high-performance processing of massive datasets. The book consists of 16 chapters, 3 appendices, covering topics including: Haddoop;mapreduce;hadoop Distributed file system; Hadoop I/O, MapReduce application Open ...

In the past, we have introduced some principles of software development, such as the 10 commandments of high quality code and the UNIX design principles described in the UNIX legend (next article). I believe that you can learn from middle school some knowledge of design principles, as I said in the "How Do I Recruit procedures", a good programmer usually consists of its operational skills, knowledge level, experience level and ability four aspects. Here I would like to talk about some of the principles of design, I think these things belong to the long-term experience summed up knowledge. These principles should be understood by every programmer. But...

Original address: http://hadoop.apache.org/core/docs/current/hdfs_user_guide.html Translator: Dennis Zhuang (killme2008@gmail.com), Please correct me if there is a mistake. Objective This document can be used as a starting point for users of distributed file systems using Hadoop, either by applying HDFS to a Hadoop cluster or as a separate distributed file system. HDFs is designed ...

Editor's note: The last period of time reproduced in the "5 minutes to understand docker! "Very popular, a short 1500 words, let everyone quickly understand the Docker." Today, I saw the author make a new novel, and immediately turned over. The reason to call this code reading as a fantasy trip is because the author Liu Mengxin (@oilbeater) in the process of reading Docker source, found a few interesting things: from the code point of view Docker did not start a new development mechanism, but the existing tested isolation security mechanism to use the full use, Including Cgroups,c ...