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Old 06-28-2004, 01:50 AM   #1
Registered: Jun 2004
Location: India
Distribution: CLFS
Posts: 515

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starting applications

Hi guys,
I'm pretty new to the Linux community.I chucked the Redmond in favour of Fedrora Core 1.Now i'm used to launching apps in Windows with just a click,so I'm facing a few problems in Linux.
I checked on many packages to be installed during the OS setup.But I can't seem to find them after I boot into the system.Packages like the GCC,xcdroast,and other scientific apps etc.I tried using the run command,but it doesn't display the list of these apps.
How do I invoke these apps ?I know you would be laughing your heads off at this,but I need some assistance on this.The manuals and documentations don't seem to archive these problems.

Please help.
Old 06-28-2004, 03:06 AM   #2
Registered: Oct 2003
Location: Switzerland (Europe)
Distribution: OpenSuSE, RedHat, Knoppix, IRIX + MacOSX
Posts: 198

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For e.g. gcc you can't start it by a click, due it's a compiler and you must tell him what he should compile and maybe other paramenters.

For the other you can search them on your harddisk and make an Icon.
Or use the command line to get them (try to type "PROGNAME --help" and something should appear on screen, if not try "locate PROGNAME" if you installed the find-utils.

One last thing, I have xcdroast at "/usr/X11R6/bin/xcdroast" , but you must be root to config it!

Old 06-28-2004, 03:11 AM   #3
Registered: Feb 2004
Location: London
Distribution: Fedora Core 5, Mandrake 10.0, Gentoo, Suse
Posts: 179

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Well I'm only a newbie myself but people have been so helpful to me here I feel I ought to give something back - so I'll take a stab an answering this... More experienced folks please step in and correct my errors...

Some of the packages you mention are "command line only" applications i.e. they can only be run in a terminal window. GCC is an example of this. If you want to check that it was installed correctly start a terminal session (start->system tools->terminal) then type in at the $ prompt "gcc --version" (NO quotes - note lowercase - note two dashes). That should give you something like:

[mark@localhost mark]$ gcc --version
gcc (GCC) 3.3.3 20040412 (Red Hat Linux 3.3.3-7)
Copyright (C) 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO

This is the C compiler. If you need the C++ compiler the command is "g++ --version"

It can be quite tricky to find the right command to launch an application if you don't know it. One tip is to use the "locate" command from a terminal window using a bit of the application name that you are looking for. (e.g. "locate g++")This will list any file or directory that contains the word you entered - and there can be hundreds - but if you scroll through the list you will often see something in a directory like /usr/bin or /bin or /sbin (in the case of "locate g++" it will show /usr/bin/g++). Usually just typing "appname" (replacing "appname" with whatever you saw in the /usr/bin/ (or whatever) directory) will launch the app. Also typing "appname -h" will give you some clues on how to launch the app.
If you prefer a more graphical approach you can do the same thing using the "search for files" utility in Fedora.

Tip: run "updatedb" (as root) - it takes a while to run - to update the database of files first.

Make sure you fully explore the menu structure in Fedora. Some things are in strange places. In the case of XCDRoast - on my FC2 system it is to be found under start->system tools (well where else?)

Explore, enjoy, try things out and ask questions. This place is (possibly) the most helpful place on Earth...


Old 06-28-2004, 03:19 AM   #4
LQ Newbie
Registered: Jun 2004
Posts: 9

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as fluppi says, for command line input use either "locate" or "whereis" commands (but don't put any "" quotes).

Have you not got a window manager installed ? Afterall, if your system resources are limited, you should still be able to get away with something?

I doesn't have to be kde or gnome (which take up lots of room, system resources etc - but IMO are still very good).

At least then, you should be able to "click start" most of the installed app's.

One of the starting snag's with using some app's is that what you'd use for the run command isn't the same as the app name e.g. while you should be able to start the Opera browser with the run command opera, for say RealPlayer, that can be started with realplay (notice the dropped "er" from the end). Now that's a rather basic example, some of them can get rather more complicated (but not always).


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