Sysctl

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sysctl
Applying sysctl in a Linux system
Written in	C
Operating system	Unix-like (BSD)
Type	System configuration

sysctl is a software mechanism in some Unix-like operating systems that reads and modifies the attributes of the system kernel such as its version number, maximum limits, and security settings.^[1] It is available both as a system call for compiled programs, and an administrator command for interactive use and scripting. Linux additionally exposes sysctl as a virtual file system.