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Lines 579-585
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| 579 |
(CPU) -- |
579 |
(CPU) -- |
| 580 |
are available to only the kernel. |
580 |
are available to only the kernel. |
| 581 |
Applications request services from the kernel with |
581 |
Applications request services from the kernel with |
| 582 |
<emphasis>system calls</emphasis> |
582 |
<emphasis>system calls</emphasis>. |
| 583 |
System calls are used to cause the kernel to execute complicated |
583 |
System calls are used to cause the kernel to execute complicated |
| 584 |
operations, such as writing data to secondary storage, |
584 |
operations, such as writing data to secondary storage, |
| 585 |
and simple operations, such as returning the current time of day. |
585 |
and simple operations, such as returning the current time of day. |
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Lines 1986-1992
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| 1986 |
for intermediate binary object) |
1986 |
for intermediate binary object) |
| 1987 |
is one to three characters, |
1987 |
is one to three characters, |
| 1988 |
leaving 10 to 12 characters for the basename. |
1988 |
leaving 10 to 12 characters for the basename. |
| 1989 |
Source-code\-control systems and editors usually take up another |
1989 |
Source-code-control systems and editors usually take up another |
| 1990 |
two characters, either as a prefix or a suffix, for their purposes, |
1990 |
two characters, either as a prefix or a suffix, for their purposes, |
| 1991 |
leaving eight to 10 characters. |
1991 |
leaving eight to 10 characters. |
| 1992 |
It is easy to use 10 or 12 characters in a single |
1992 |
It is easy to use 10 or 12 characters in a single |