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nope, it says "which cc" no such file or directory. Cannot accecc

but when I say "type cc" it shows complete path "/usr/lib/ccashe/cc"

hi,

currently I have Fedora Core 7 and I use the Compiler ported with FC7.

i.e "cc src.c".

but I am unable to explore the Compilation Options that can be passed with cc...
like cc -c and...

sorry, I was not specific in asking the question... my question was to renaming the executable to the C code name which can be done by "mv" ....

so , you missed a point about this..


Thanks...

Thanks,

I understood what to be done!!

well, how could I do that?
could you please explain?

I think it is better way to have an executable for all C codes.... atleast for the trial codes we run to understand the concepts!!

Thanks!

hello Folks,

once we compile any C code on Linux, we run the code using "./a.out"..

but can we have an executable for every program so that we can run the code directly without compiling the...

hey Thanks Man I got enough Idea.
I go on with further chapters.if I get any doubts I do approach you.

sorry for the delayed reply I was kind busy with other project works.


thanks a lot

hello all

since a process running in kernel mode cannnot be preempted by any other process what would be the status of Timer interrupt that occurs when the time quantum of a process is elapsed?
...

I got it Man thanks for your time.

as kernel keeps track of user activities on a file by its INODE number and I node table .

what is the structure of Inode table. and where does this Inode table mapped into?user space or kernel...

thank you man

you mean commnads are programs which will be "excecuted" upon invoking them

so these programs must be the "Source code" which will be compiled and executed just like any other...

is it possible to find which commnands make shell to Span a child process?

if so what is the determining criteria??

thanks

what iis returned when EOF is reached?
i.e while ((ch = getchar()) ! = EOF)

what would be the value of EOF when end is reached.

if so how does it detect the end of file?

hello all,

how end of a file is detected in UNIX system?

does it make use of any special symbols to identify the EOF? :(

thank you all

thanks for your time guys.

I had done a petty mistake in scanf.I tried to accept the input like this
for(i=0;i<5;i++)
scanf("%d", a[i]); :eek: The mistake.

I was supposed to give "&a[i]" ...

hello all,

I tried a program on an array to intialise array elements from the standard input device.it is an integer array of 5 elements.but after entering the 4th element it throws a message...

I got some Idea and go through the lonk given.

thanks

hello all,

as we know that the kernal Schedules tasks with some time slice given to each.
how does the Kernal know that the time of a Task has been elapsed?

does it follow the syatem Clock?or...

Thanks pal.

but how can you interprete the same for a Task.
that is multiple tasks try to access a shared resource should not be allowed.

what is this?

what is a critical section?why multipleprocesses or multiplethreads cant be given a chance to access the critical section?

please explain me with an example.


thanks

let us say ,we have two commands

cat file1, vi file2

is it possible to judge which of these two commands will kick off a child process?

if it is possible in any means like through...

thanks for your encouragement amro1.


as you told earlier a commnand kicks of other process which does the job on its behalf.

do all commands CREATE child process?
if not how can i say...

as the kernal invokes a process INIT during the time of booting which in turn spawns all other processes because of which it is considered as parent process.

does it too calls system call fork()...

when a parent process can do its job efficiently why do we need the over head to invoke some other process to perform the task on its behalf?

are there any system performance, advantages in ...