combines passwd and shadow files
Author: Willie
Willie
Willie has over 15 years of experience in Linux system administration and DevOps. After managing infrastructure for startups and enterprises alike, he founded Command Linux to share the practical knowledge he wished he had when starting out. He oversees content strategy and contributes guides on server management, automation, and security.
data sink
list directory contents
Third Generation Read/Write NTFS Driver
determine file type
change file attributes on a Linux file system
NAME semop, semtimedop – System V semaphore operations SYNOPSIS #include <sys/types.h> #include <sys/ipc.h> #include <sys/sem.h> int semop(int semid, struct sembuf *sops, size_t nsops); int semtimedop(int semid, struct sembuf *sops, size_t nsops, const struct timespec *timeout); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): semtimedop(): _GNU_SOURCE DESCRIPTION Each semaphore in a System V semaphore set has the following associated values: unsigned short semval; /* semaphore value */ unsigned short semzcnt; /* # waiting for zero */ unsigned short semncnt; /* # waiting for increase */ pid_t sempid; /* ID of process that did last op */ semop() performs operations…
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