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Hi Guys,
I need some help in getting a good book that describes the internals of the freeBSD OS, like the architecure, the process and memory management, etc..
I have some book which is...

thanks kamitsin for your fast response, but execuse me as i am a liitle new with that.
the option -mtime specifies the time as a multiple of 24 hours, and don't specify the whole day as i want, and...

thanks man, i know that i am on the right track, but i need more help than that :)

dears,
I have a folder containing huge no. of files, some of them are created on AUG 16, AUG 17 and AUG 18, for example.
All I want to do is tarring all the files created on a certain date, say AUG...

it works
thanks for your usfull hints.
marwan

I noticed in the man page for grep that the command has two paths
/usr/bin/grep
/usr/xpg4/bin/grep

the -f option must be run using the second one:
/usr/xpg4/bin/grep -f FILE2 FILE1

I really...

thanks Matrixmadhan, i tried your first suggession, and it works, but the output is not what i want.
for example: if the for loop run 4 times, then output will display the file 4 times on the...

dear guys,
I want to replace the beginning of some lines in a file by (,)
The sequence number of lines is located in a file named numbers
so, i used this simple script to do so, but it didn't...

Dear guys,
I have a file, let it be FILE1, and i want to grep some patterns from it, and the patterns are located in another file, FILE2, so i used the command:
grep -f FILE2 FILE1
but it seems...

thanks Shell_Life for your fast reply

Dear guys,
I don't know the response of a for loop in this situation:
suppose that file1 is an empty file.

and i make a for loop as :
for i in `cat file1`

What will be the response of the...

Thanks Solfreak for your reply, but can you explain it for me, please.
Thanks

dear all,
I know that this question has been asked before frequently, but I really don't get it. My question is composed of several ones.

First:To telnet through a script, I was told...

sorting the files will not work in all cases, if I sorted file1 and file2, nothing will change.

Hi everyone,
I have two files, and i want to detect the diffrent lines in these files. I tried to use the comm and diff commands, but I got that they are only comparing the lines in the same...

Dear Zazzybob,
thanks so much for the information, but i am so new to unix, and I can't completely follow up with u. I need to understand the source of the problem, that is why the sort command is...

Dear all,
when I issue the command:
gunzip -c file.gz |sort
the command is executed normally and correctly but a message keeps appearing everytime I run the command:

the message:
sort:...

I think it can work by this way also:
sort file1 |uniq -d > file2
this will extract the duplicated lines and redirects them to file2

you can also specify the number of duplication of every line...

Hi everyone,
I am new to UNIX and scripting, and I have some problems with the test command.
when i try to execute the command:
test 20070327.gz > 20070320.gz
i try to make a charachter string...

Dear all,
I would like to ask how i can read a zipped file (file.gz) without actually unzipping it?
i think there is a way to do so but i can't remember it..
can anyone help?
thanks in advance..