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I can access the linux server in my company from my desktop windows explorer. I guess samba is working.

Please see the images.
http://imageshack.us/a/img854/7106/9yvl.png
I have a few questions....

Q: Use ls -l and grep to find all the files in the directory /etc that were last modified in 2008(hint: search "2008"). Send this list to s6.

My script:
grep "2008" /etc |ls - l >s6
Thanks for...

I heard about WinScp, but I have no idea of private key file. I don't have it.


http://img69.imageshack.us/img69/5508/capturetim.png

Can you recommend a scp tools?

I want to look up log files on the unix server. My machine is windows 7 pro.
I can view them from windows explorer but it is slow because huge amount logs files there.

Is there a way or tools to...

Hi I have a command:

awk '/^@chr1$/,/^+$/' consensus.fastq | perl -pe "s/@/>/ ; s/\\+//" > chr1.fasta
This for chr 1, now I want to loop from chr1 to chr 22.
Then
#!/bin/bash...

Entire section until meeting >chr

I just found that in my file there are some other lines beginning with
>DDD]]] or other wild chars
Anyway I want to exclude these. Only for beginning with
>chr
How to

Hello,
I have a text file which is like a matrix m rows and n columns. Now I want to convert it into n rows and m columns.

Thanks for hint.

Hello, I have one huge file(20GB maybe). The format likes
>chr1
AGCTTCACTTACTAGATCATGTCA
AGTCGTCATGTTTATTTTAACCAC
....
>chr2
gGCTTCACTTACTAGATCATGTCA
TGTCGTCATGTTTATTTTAACCAC
....
>chr23...

In the original command, it is a single quote, 'chr1' instead of "chr1".
What I used:
for((i=1;i<=23;i++))
do
...
done
Does your code work?

Hello, I have a command which likes
application input.txt 'chr1' | awk '{print $3, $4, $10;}' >chr1.txt
I want to loop it from 1 to 23, need for loop command.
for example
application input.txt...

Thanks. I want to mark ir as resloved but not sure how.

Hello,

I have a application software plink. It can merge files with some kinds of way.
The command likes:
plink --file 1 --merge 2 --recode --out merged

That means merge file 1 and 2 then...

Linux: Fedora

Hi I have a batch file aaa.exe which needs two input parameters:
Usually the command's format likes
aaa 555 10000
But I want to use parameters to do it.
aaa $1 $2
These two parameters come from...

Suppose our application limit use for up to 20GB of data. How to monitor the usage?

Do we need to consider swap?

Thanks.

No guarantee that the duplicate lines are clustered and I worry the memory.
Can we use uniq command?

Hi, I have a huge file which is about 50GB. There are many lines. The file format likes
21 rs885550 0 9887804 C C T C C C C C C C
21 rs210498 0 9928860 0 0 C C 0 0 0 0 0 0
21 rs303304 0 9941889 A...

Incorrect, the output file size is always jumping between 0kb and 1kb
It looks the bottom line overwritesd the previous line. Only one line in the file.

Hi I have a bash file which will split a big file to many small files.
But I got a syntax error.H="$(head -1 CCC.tped)"
awk 'print $0 > $1 ".tped"' CCC.tped
for f in $(ls *.tped); do echo "$H\n"...

Use [] brackets to list all the files in /usr/bin with names starting with a,b or c.
My code:
ls ^[abc].* /usr/bin
What is wrong?

No, it is not my homework. It is a bash practice problem from
Bash Guide for Beginners (http://tille.garrels.be/training/bash/)
I am using Linux fedora 14. I just want to improve myself.

Thanks....

Hello, I need a little help.
1. Edit /etc/profile so that all users are greeted upon login.
2. For the root account, set the prompt to something like "Danger!! root is doing stuff in \w",...

How to display hashed commands for your current shell session?

Thanks.