帮助文档
[root@omnimastertest ~
]
Usage:
watch [options
] command
Options:
-b, --beep beep
if command has a non-zero
exit
-c, --color interpret ANSI color and style sequences
-d, --differences
[=<permanent
>]
highlight changes between updates
-e, --errexit
exit if command has a non-zero
exit
-g, --chgexit
exit when output from
command changes
-n, --interval
<secs
> seconds to
wait between updates
-p, --precise attempt run
command in precise intervals
-t, --no-title turn off header
-x, --exec pass
command to
exec instead of
"sh -c"
-h, --help display this
help and
exit
-v, --version output version information and
exit
For
more details see watch
(1
).
实战
实时查看显卡使用情况：
watch -n 1 nvidia-smi
