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Fock means to copy a process, that is, to load the current program again. The difference is that after loading, all States are the same as the current process (including variables ). Unlike a thread, the Fock does not need to provide a function as

Transferred from UNIX environment advanced programming + personal supplement Calling the f o r k function by an existing process is the only way for the u n I X Kernel to create a new process (this is not applicable to the preceding SectionAnd the

One, process identificationEach process has a unique process ID that is represented by a nonnegative integer. Although the ID is unique, the process ID is reusable. When a process terminates, its process ID becomes a candidate for reuse.There are

Redis is a memory database in which all of its data is stored in memory and then periodically asynchronously saved to disk (this is known as "semi-persistent mode"), and each data change can be written to a append only File (AOF) ( This is called

When we use the computer, we often encounter the situation that the network connection is limited or unable to connect and so on, there may be many reasons for the problem. Of course, some people resorted to repair the computer must kill technology "

http://blog.csdn.net/q_l_s/article/details/52597330First, the process of testingProgramming to implement a simple shell programClick (here) to collapse or open #include #include #include #include #include #define NUM 1024 int

Eighth. Abnormal control Flow Smoothing: means that the instructions are contiguous in memory. Mutation: A non-contiguous occurrence, usually caused by instructions such as jumps, calls, and returns. Exception Control Flow ECF:

1 Introduction Redis supports both RDB and aof two persistence mechanisms, which persist to avoid data loss due to process exit, and can be implemented by using previously persisted files on reboot.Recovery of the data. 2 RDB RDB persistence saves

Environment variable Operation function Char*getenv (const char* name); Get environment variable value Intputenv (cahr* str); A string of name=value, put it in the environment table, and delete its original definition if name already

Process management ******First, the basic concept1. Processes and ProceduresA process is a running program, a running program may contain multiple processes, and the process is responsible for performing specific tasks in the operating systemA