July 2005
Intermediate to advanced
944 pages
158h 24m
English
book
Linux in a Nutshell, Fifth Edition
by Ellen Siever, Aaron Weber, Stephen Figgins, Robert Love, Arnold Robbins
Content preview from Linux in a Nutshell, Fifth Edition
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time | 475
Linux
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This is the Title of the Book, eMatter Edition
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\e Cancel the effect of \U or \L.
\i The IP address of the requesting host, in dotted-quad
notation.
\L Convert letters following this sequence to lowercase.
\U Convert letters following this sequence to uppercase.
\x The IP address of the requesting host, in hexadecimal
notation.
\\ Literal backslash.
\whitespace
Literal whitespace.
\# Literal hash mark.
time
time [options] command [arguments]
Run the specified command, passing it any arguments, and time the
execution. Note that there is also a shell time command, so you
might need to specify the full path, usually /usr/bin/time, to run this
version of time. time displays its results on standard error. The
output includes elapsed time, user CPU time, system CPU time,
and other information such as memory used and number of I/O
operations. The output can be formatted using printf format
strings specified with the -f option or the TIME environment
variable.
Options
-- The end of the options. Anything after the -- is treated as the
command or one of its arguments.
-a, --append
Used with -o to append the output to file instead of over-
writing it.
-f format, --format=format
Specify the output format. Overrides any format specified in
the TIME environment variable.
--help
Print help message and exit.
-o file, --output=file
Send the
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.