[CentOS] is yum a complete substitute of rpm?
Bowie Bailey
Bowie_Bailey at BUC.com
Mon Feb 15 15:40:28 UTC 2010
Jim Green wrote:
> On 13 February 2010 10:27, Robert P. J. Day <rpjday at crashcourse.ca> wrote:
>
>> On Sat, 13 Feb 2010, Jim Green wrote:
>>
>>
>> $ rpm -qa # list all installed packages
>>
>
> yum list installed
I use rpm for basic stuff because it runs faster. For example:
$ time yum list installed
...
real 0m17.069s
user 0m0.857s
sys 0m0.675s
$ time rpm -qa
...
real 0m4.714s
user 0m4.457s
sys 0m0.120s
Yum tends to take a while to read in its databases before it processes
your command. So for simple commands, it is faster to use rpm. On slow
boxes, it can be significantly faster.
--
Bowie
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