aboutsummaryrefslogtreecommitdiffstats
path: root/man7/time.7
diff options
context:
space:
mode:
Diffstat (limited to 'man7/time.7')
-rw-r--r--man7/time.714
1 files changed, 7 insertions, 7 deletions
diff --git a/man7/time.7 b/man7/time.7
index 18a31393c2..e210c8d5e3 100644
--- a/man7/time.7
+++ b/man7/time.7
@@ -27,7 +27,7 @@
.SH NAME
time \- overview of time and timers
.SH DESCRIPTION
-.SS "Real time and process time"
+.SS Real time and process time
.I "Real time"
is defined as time measured from some fixed point,
either from a standard point in the past
@@ -54,14 +54,14 @@ A program can determine the amount of CPU time it has consumed using
.BR getrusage (2),
or
.BR clock (3).
-.SS "The hardware clock"
+.SS The hardware clock
Most computers have a (battery-powered) hardware clock which the kernel
reads at boot time in order to initialize the software clock.
For further details, see
.BR rtc (4)
and
.BR hwclock (8).
-.SS "The software clock, HZ, and jiffies"
+.SS The software clock, HZ, and jiffies
The accuracy of various system calls that set timeouts,
(e.g.,
.BR select (2),
@@ -102,7 +102,7 @@ User-space applications can determine the value of this constant using
.\" glibc gets this info with a little help from the ELF loader;
.\" see glibc elf/dl-support.c and kernel fs/binfmt_elf.c.
.\"
-.SS "High-resolution timers"
+.SS High-resolution timers
Before Linux 2.6.21, the accuracy of timer and sleep system calls
(see below) was also limited by the size of the jiffy.
@@ -121,7 +121,7 @@ or looking at the "resolution" entries in
HRTs are not supported on all hardware architectures.
(Support is provided on x86, arm, and powerpc, among others.)
-.SS "The Epoch"
+.SS The Epoch
UNIX systems represent time in seconds since the
.IR Epoch ,
1970-01-01 00:00:00 +0000 (UTC).
@@ -137,7 +137,7 @@ provides similar information, but only with accuracy to the
nearest second.
The system time can be changed using
.BR settimeofday (2).
-.SS "Broken-down time"
+.SS Broken-down time
Certain library functions use a structure of
type
.I tm
@@ -155,7 +155,7 @@ string representations of the time are described in
.BR strftime (3),
and
.BR strptime (3).
-.SS "Sleeping and setting timers"
+.SS Sleeping and setting timers
Various system calls and functions allow a program to sleep
(suspend execution) for a specified period of time; see
.BR nanosleep (2),