manipulate the kernel's key management facility NAME keyctl - manipulate the kernel's key management facility LIBRARY Standard C library ( libc , -lc ) Alternatively, Linux Key Man…request a key from the kernel's key management facility NAME request_key - request a key from the kernel's key management facility LIBRARY Linux Key Management Utilities ( libkeyut…get thread identification NAME gettid - get thread identification LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SOURCE #include <unistd.h> pid_t gettid(void); DES…return a directory entry's path NAME lookup_dcookie - return a directory entry's path LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/syscall.h> /* Definition of S…check user's permissions for a file NAME access, faccessat, faccessat2 - check user's permissions for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> …check user's permissions for a file NAME access, faccessat, faccessat2 - check user's permissions for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> …check user's permissions for a file NAME access, faccessat, faccessat2 - check user's permissions for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> …obtain handle for a pathname and open file via a handle NAME name_to_handle_at, open_by_handle_at - obtain handle for a pathname and open file via a handle LIBRARY Standard C libra…obtain handle for a pathname and open file via a handle NAME name_to_handle_at, open_by_handle_at - obtain handle for a pathname and open file via a handle LIBRARY Standard C libra…load a kernel module NAME init_module, finit_module - load a kernel module LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/module.h> /* Definition of MODULE_* co…load a kernel module NAME init_module, finit_module - load a kernel module LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/module.h> /* Definition of MODULE_* co…perform a command on an extended BPF map or program NAME bpf - perform a command on an extended BPF map or program SYNOPSIS #include <linux/bpf.h> int bpf(int cmd , union bpf_attr …introduction to system calls NAME intro - introduction to system calls DESCRIPTION Section 2 of the manual describes the Linux system calls. A system call is an entry point into th…set up performance monitoring NAME perf_event_open - set up performance monitoring LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/perf_event.h> /* Definition of…