shell script | bc syntax format Post: 302645155

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LEARN ABOUT NETBSD

nice

NICE(3) 						   BSD Library Functions Manual 						   NICE(3)

NAME

     nice -- set program scheduling priority

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <unistd.h>

     int
     nice(int incr);

DESCRIPTION

     This interface is obsoleted by setpriority(2).

     The nice() function obtains the scheduling priority of the process from the system and sets it to the priority value specified in incr.  The
     priority is a value in the range -20 to 20.  The default priority is 0; lower priorities cause more favorable scheduling.	Only a process
     with appropriate privileges may lower priorities.

     Children inherit the priority of their parent processes via fork(2).

RETURN VALUES

     Upon successful completion, nice() returns the new nice value minus NZERO.  Otherwise, -1 is returned, the process' nice value is not
     changed, and errno is set to indicate the error.

ERRORS

     The nice() function will fail if:

     [EPERM]		The incr argument is negative and the caller does not have appropriate privileges.

SEE ALSO

     nice(1), fork(2), setpriority(2), renice(8)

STANDARDS

     The nice() function conforms to X/Open Portability Guide Issue 4, Version 2 (``XPG4.2'').

HISTORY

     A nice() syscall appeared in Version 6 AT&T UNIX.

BSD
								  April 30, 2011							       BSD