`time` is a command line utility for running another program and summarizing resource usage

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8
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Is there a way to adjust the formatting of the date/time in the GNOME 3 login screen and desktop?

I'm specifically looking to change the formatting in two places: On the desktop, the date/time reads "Sat 21:05". I would like it to read "23-Jul-11 21:05" or "23 Jul 11 21:05". In other words, I ...
2
votes
2answers
10k views

How to change timezone to UTC without rebooting AIX

# oslevel 6.1.0.0 From smitty it say's it needs a reboot, but I don't want to reboot. How can I change the TimeZone to UTC without rebooting?
2
votes
1answer
264 views

Command to monitor elapsed time in background?

I've been trying to find a decent way to monitor elapsed time in the shell. Basically, I'm asking for a stopwatch. The end result is easy enough to accomplish; I've seen examples of using time read, ...
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votes
4answers
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How to make an Ubuntu time zone change stick?

I'd like to reset the timezone through editing /etc/timezone. However, after I am done editing and save the file, the system time would not change accordingly. On the other hand, when I take ...
-1
votes
1answer
2k views

Sum of grep results

I need to output the sum of a grep results for a certain time, for now i hard coded the time grep but any help will be very much appreciated, my problem is i cant output the results on the script. If ...
2
votes
2answers
182 views

Retrieve countries timezones

What is the best way to retrieve the current time zones of a number of countries, on a daily basis? (that would take into account DST changes, of course) Reliably If possible the Linux way (i.e. ...
5
votes
2answers
177 views

NTP tool for showing deviance to a certain server

I am searching for a command-line that allows me to check the system time deviance to a NTP server specified on the command-line. I don't want to change/adapt the system time - only displays the ...
26
votes
1answer
2k views

Why does “ls *” take so much longer than “ls”?

I have a couple of files in a directory: $ ls | wc -l 9376 Can anybody explain why there is such a huge time difference in using ls * and ls? $ time ls > /dev/null real 0m0.118s user ...
1
vote
2answers
234 views

Program to track and analyze usage

I would like to get my computer usage statistics (what programs I ran, for how long and etc. More is better). I used to use wakoopa but I'm not willing to throw statistics out to the web. I've tried ...
18
votes
3answers
34k views

How to measure time of program execution and store that inside a variable

In order to find out how long certain operations within a Bash (v4+) script take, I would like to parse the output from the time command "separately" and (ultimately) capture it within a Bash variable ...
8
votes
4answers
664 views

Forcing an 'added' alias to every command

Is it possible to forcibly add a timing alias (for lack of a better way to phrase it) to every command in bash? For example, I would like to have a specific user who whenever a command is run, it is ...
4
votes
2answers
3k views

How do I time a specific command?

(The linux equivalent of TimeThis.exe) Something like: timethis wget foo.com Receiving foo.com ... wget foo.com took 3 seconds.