hpr1192 :: LiTS 024: time and /usr/bin/time
Run programs and summarize system resource usage with the time command
Hosted by Dann on 2013-02-26 is flagged as Explicit and is released under a CC-BY-SA license.
time.
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The show is available on the Internet Archive at: https://archive.org/details/hpr1192
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Duration: 00:16:27
Linux in the Shell.
Linux In The Shell aims to explore the use of many commands a user can run in the Bash Shell. Tutorials include a write up with examples, an audio component about the write up, and a video component to demonstrate the usage of the command.
The website is https://www.linuxintheshell.com/
The time program is a handy tool to not only gauge how much time in seconds it takes a program to run, but will also display how much user CPU time and system CPU time was used to execute the process. To understand these values you must grasp how the kernel handles the time reporting for the process. For example, the output of:
time ls
is
real 0m0.007s
user 0m0.000s
sys 0m0.003s
For the complete show including video and a complete write up go to https://www.linuxintheshell.com/2013/02/26/episode-024-time-and-usrbintime/