Re: Equivalent utilities?
- From: "Poma" <poma@xxxxxxxx>
- Date: Sat, 13 Jan 2007 01:07:21 -0800
"Dan Andersson" <dan@xxxxxxxxxxxxxxx> wrote in message
news:squdndeSR-gaozXYnZ2dnUVZ8t_inZ2d@xxxxxxxxxxxxxxxxx
Poma wrote:Disk
Hi all,
Still in the learning phase. Coming from a Windows background, somehow
tend to ask rather silly questions here but I guess better to ask and be
silly for sometime than to not ask at all and remain silly rest of life.
My query here is what is the Linux equivalent of the Disk Cleanup and
asDefragmenter utility which we find in Windows at Start>
Programs>Accessories>System Tools.
I read somewhere that the /tmp folder automatically deleted older,
unwanted files. How does it determine the files are unwanted. Is there
anyway to clean up these files after I'm through with my usage? How can
this be done in GUI or CLI.
TIA,
Rgds, Poms
Yaya...
All this about how nice Linux is and "don't worry" etc etc.
All disks can be fragmented <PERIOD>
Windows tend to do it at all times, especially nowadays when users juggle
with multiple 700MB .avi files....
Linux will normally manage/handle disk fragmentation but!!! Only as long
you keep the total usage of the disk to under approx 70%. After this, youdata
can run into problems when allocating space for large files like movies
etc. 70% of a small disk is of course different from a large disk so treat
the figure for what it is, a historical value but still a valid estimate.
Another advantage with Unix/Linux is the small amount of resources used to
open a file on request from an application or the OS itself. This means
that you will see very little degradation of performance even if your disk
are slightly fragmented. This makes no real impact as long as the file
can be cached or are placed on nearby tracks. If not, the amount of timecheap
taken to move the heads will delay.
As a Linux user/sysop, you should never have any reasons to bother with
fragmentation of the disk(s) unless -
You almost filled the disk(s)
or
Have apps with streaming high speed data acquisition
............
So the recipe is, don't download movies from the internet, don't be a
and buy to small disks... And don't switch off your computer - let cronup
work.
I have been running Linux since 1993 and so far never needed to manually
defrag a disk as a specific operation/procedure.
If you are not to concerned about SOX and archive keeping of logs, clean
the /var/log/ directory every second year or so...
//Dan, M0DFI
Perhaps I need to rephrase my query.
Ideally when one surfs the internet, esp. on Windows, its believed that
numerous malware, bots and other creepy stuff enter the system. I surely
think that Linux, with its robust security features keeps such malware at
bay.
My queries are
1] Suppose I surf a site XYZ on Windows, there will be some data, cookie or
other stuff written by the site on my disk. Will surfing the same site with
Linux prevent it from putting such things on the system? Or is it basically
the feature of the browsers IE, Mozilla, Firefox?
2] In Windows, if you install CCleaner and after sometime of internet
surfing, you use CCleaner, it will show what all files where put by the
site. Does it mean that in Linux the site does not put its bots or other
such things on the system?
3] Usage of Windows means one must mandatorily install Anti-Spyware programs
if one wants to keep the system somewhat safe. Are such programs not needed
on Linux?
Thanks all,
Poms
.
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