摘要：GFS Key Components components failures are a norm even space utilisation write-once-read-many GFS and Hadoop Distributed File System GFS主要分为:Applicati 阅读全文

摘要：free displays the total amount of free and used memory free [options] top provides a dynamic real-time view of a running system top [options] ps provi 阅读全文

摘要：cat displays the contents of a file at the command line copies or apppend text file into a document cat [OPTIONS] .. [FILE] head prints the first part 阅读全文

摘要：File System Function In computing, a file system or filesystem is used to control how data is stored and retrieved. Without a file system, information 阅读全文