How to use the bsub command in Linux?

In Linux, the bsub command is used to submit batch processing jobs. It is typically used in conjunction with other tools and commands to run long-running tasks in the background.

The basic syntax of the bsub command is:

bsub [options] command

Here are some common options:

1. J : Specifies the name of the job.
2. q : specifies the queue to which the job will be submitted.
3. n: specifies the number of processor cores required for the task.
4. Specify the output file name for the job as .
5. : is the specified name of the error file for the job.
6. R “span[hosts=]”: Specify the job to run on multiple hosts.

Here are some examples of using the bsub command:

1. Submit an assignment to the default queue and run it in the background.
2. submit command
3. Submit an assignment to a specific queue and specify the assignment name.
4. Submit a job with a specified name and queue using the command.
5. Submit an assignment to a specified queue and specify the output and error file names.
6. Execute the command using the specified queue, directing the output and errors to the designated files.
7. Submit a job that requires multiple processing cores.
8. Run the command with a maximum of 4 processors.
9. Run a job on multiple hosts.
10. Run the command with the constraint that it requires to be executed on two hosts simultaneously.

The above examples only demonstrate some common uses of the bsub command. For more options and uses, please refer to the help documentation of the bsub command. You can use the bsub –help command to view help information, or visit the official documentation of bsub for a detailed understanding.