man Pages(2): System Calls

memcntl(2)- memory management control
mincore(2)- determine residency of memory pages
mkdir(2)- make a directory
mknod(2)- make a directory, or a special or ordinary file
mmap(2)- map pages of memory
mount(2)- mount a file system
mprotect(2)- set protection of memory mapping
msgctl(2)- message control operations
msgget(2)- get message queue
msgrcv(2)- message receive operation
msgsnd(2)- message send operation
munmap(2)- unmap pages of memory