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The difference between nohup and &
nohup is more suitable for long-running tasks because it is not affected by terminal status, can continue to execute, and can manage output. And && is suitable for short-lived background tasks, used when the results need to be checked later. If you want to know more about nohup, you can read the articles below this topic.
The difference between nohup and &In Unix/Linux systems, nohup and && are both methods used to run commands or programs in the background. nohup is more suitable for long-running tasks because it is not affected by terminal status, can continue to execute, and can manage output. And && is suitable for short-lived background tasks, used when the results need to be checked later.
Detailed explanation of nohup commandnohup is a commonly used command in Unix and Unix-like systems. It is used to run commands in the background and redirect the output of the command to a file to keep running even after the user logs out or the terminal is closed. Detailed explanation and usage of the nohup command: "nohup command [parameters] [input file] [output file]", where the command is the command to be run in the background, the parameters are the options and parameters of the command, and the input file is the input file of the command , the output file is the output file of the command.
How to use the nohup command in LinuxWhat is nohup? Nohup is a command in Linux and Unix systems. Its function is to allow the process to continue running in the background when the terminal exits. Its full name is "nohangup", which means "no hangup". The nohup command allows you to continue running commands after exiting the terminal or closing the SSH connection. nohup syntax rules The basic syntax of the nohup command is as follows: nohupCOMMAND[ARGS...][>output-file2>error-file]& The meaning of the parameters is as follows: COMMAND: A command or script that needs to be run in the background. ARGS: Arguments to a command or script. >output-
How to use the linux nohup command to enable the program to continue running in the background after exiting the terminalUnder Unix/Linux, you generally want a program to run in the background. Many people use & at the end of the program to make the program run automatically; but if you want the program to still run in the background after exiting the terminal, you need to use nohup and & combination to achieve. Nohup command purpose: run the command without hanging up Syntax: nohupCommand[Arg...][&] Description The nohup command runs the command specified by the Command parameter and any related Arg parameters, ignoring all hangup (SIGHUP) signals. Use the nohup command to run a program in the background after logging out: To run the nohup command in the background, you need to add & to the end of the command. day
Build distribution & service ERP systemThe Pain of ERP At first, because the amount of data was not large, the system performance was pretty good, and various list queries, report queries, Excel data export functions, etc. were all used smoothly. However, as the company's business developed and the order volume accumulated day by day, and the demand for report queries and data exports from various business departments continued to increase in the later period, we gradually felt that the system was running slower and slower. So the first solution we may think of is to optimize the system bottleneck database. One of our possible attempts is to place the database separately on a server to separate the database and the application, or to establish various database table indexes, optimize program code, etc. After such research and optimization, the performance of some functions of the system may indeed be greatly improved, but we still found that some functions
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