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 munlock(2) -- reenable paging for some parts of memory
    munlock reenables paging for the memory in the range starting at addr with length len bytes. All pages which contain a part of the specified memory range can after calling munlock be moved to external...
 munlockall(2) -- reenable paging for calling process
    munlockall reenables paging for all pages mapped into the address space of the calling process. Memory locks do not stack, i.e., pages which have been locked several times by calls to mlock or mlockal...
 nanosleep(2) -- pause execution for a specified time
    nanosleep delays the execution of the program for at least the time specified in *req. The function can return earlier if a signal has been delivered to the process. In this case, it returns -1, sets ...
 nfsservctl(2) -- syscall interface to kernel nfs daemon
    /* * These are the commands understood by nfsctl(). */ #define NFSCTL_SVC 0 /* This is a server process. */ #define NFSCTL_ADDCLIENT 1 /* Add an NFS client. */ #define NFSCTL_DELCLIENT 2 /* Remove an ...
 nice(2) -- change process priority
    nice adds inc to the nice value for the calling pid. (A large nice value means a low priority.) Only the superuser may specify a negative increment, or priority increase.
 obsolete(2) -- obsolete system calls
    The Linux 2.0 kernel implements these calls to support old executables. These calls return structures which have grown since their first implementation, but old executables must continue to receive ol...
 open(2) -- open and possibly create a file or device
    The open() system call is used to convert a pathname into a file descriptor (a small, non-negative integer for use in subsequent I/O as with read, write, etc.). When the call is successful, the file d...
 outb(2) -- port output
    This family of functions is used to do low level port input and output. They are primarily designed for internal kernel use, but can be used from user space, given the following information in additio...
 pause(2) -- wait for signal
    The pause library function causes the invoking process (or thread) to sleep until a signal is received that either terminates it or causes it to call a signal-catching function.
 personality(2) -- set the process execution domain
    Linux supports different execution domains, or personalities, for each process. Among other things, execution domains tell Linux how to map signal numbers into signal actions. The execution domain sys...
 pipe(2) -- create pipe
    pipe creates a pair of file descriptors, pointing to a pipe inode, and places them in the array pointed to by filedes. filedes[0] is for reading, filedes[1] is for writing.
 pivot_root(2) -- change the root file system
    pivot_root moves the root file system of the current process to the directory put_old and makes new_root the new root file system of the current process. The typical use of pivot_root is during system...
 poll(2) -- wait for some event on a file descriptor
    poll is a variation on the theme of select. It specifies an array of nfds structures of type struct pollfd { int fd; /* file descriptor */ short events; /* requested events */ short revents; /* return...
 prctl(2) -- operations on a process
    prctl is called with a first argument describing what to do (with values defined in ), and further parameters with a significance depending on the first one. The first argument can be: ...
 pread(2) -- read from or write to a file descriptor at a given offset
    pread() reads up to count bytes from file descriptor fd at offset off- set (from the start of the file) into the buffer starting at buf. The file offset is not changed. pwrite() writes up to count byt...
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