nproc is a simple Unix command which is used to print the number of processing units available in the system or to the current process. This command could be used in system diagnostics and related purposes. It is part of GNU Core utils, so it comes pre-installed with all modern Linux operating systems.
Syntax:
nproc [OPTION]...
Working with nproc Command
1. Use nproc command
nproc
It prints the number of processing units available to the current process. It may be less than the number of online processors.
2. To print total installed processing units
nproc --all
We use the “–all” option when we want nproc to display the total installed processing units.
3. To exclude some processing units
nproc --ignore=4
We use “–ignore” option when we want nproc to exclude a set number of processing units.
4. To display the help section
nproc --help
This command will display the help section of the nproc command which will have all the information related to the nproc command.
5. To display version
nproc --version
This command will display the version of nproc command in Linux.
6. To display nproc manual
man nproc
This command will print the manual of the nproc command.