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I want to lock my desktop with a shell command. How can I do this?
What desktop environment are you using?
Using GNOME:
gnome-screensaver-command -l
Using KDE:
qdbus org.freedesktop.ScreenSaver /ScreenSaver Lock
Using xfce:
xflock4
if you have xscreensaver installer this will work:
xscreensaver -lock
Other then that it is depending on which DE you have.
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nohup and screen both does the similar job. But, I want to know why screen is being preferred over nohup command in linux?
screen is good for interactive processes, where you might need to detach and reattach a vtty. nohup is best for unattended processes like userspace daemons or processes you will check on later.
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is it possible to edit the
File Management Preferences
via vi or something ?
No, but it is possible with gconftool-2. Just frob the values under /apps/nautilus; look in gconf-editor for details.
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I have downloaded this free set of 80 standard fonts, but I'm not sure how to install it in my Linux box (CentOS 5.4). Any suggestion would be greatly appreciated!
Thanks!!
Here's CentOS's font guide.
Basically, you unzip the fonts into /usr/share/fonts/local (creating the folder if necessary), then call fc-cache /usr/share/fonts/local.
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Is there a way in which I can use linux command like ls -l on the window command prompt ? or maybe use powerful commands like grep on windows ?
Cygwin will do what you're looking for
MinGW/MSys is a minimal unix environment.
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Is it possible to make a single bootable dvd with multiple linux distros in it? we should be able to select which os to boot by a menu.
There are several tutorials for this:
http://www.justlinux.com/forum/showthread.php?t=150078
http://pcquest.ciol.com/content/enterprise/2005/105070101.asp