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Check the Size of a directory & Free disk space.
The amount of databases we bioinformatician deal are just HUGE … In such cases, we always need to check our server for fr...The same “du”command with some flag gives you a b...d be 30M.$ du -sUse this command to displays a summary of the...3744 days ago
Find certain files/documents in Linux OS
As bioinformatician I know the fact that we usually handle the large dataset and lost in the huge numbers of files and...rectory.# find /home -iname gene.txt./gene.txt./Gene.txt4. Fi...nt -exec chmod 644 {} \;16. Find Directories with 777 Permiss...3723 days ago
Check Linux server configuration !!
Bioinformatician uses servers for computational analysis. Sometime we need to check the server detail...g system)[root@localhost ~]# uname -ix86_64(x86_64 represents...nbsp; : nofpu ...back: &n...3694 days ago
Linux Sort Commands for Bioinformatics
Almost all the scripting languages such as Perl, Python etc have built-in sort, but u...sort a 20Gb file with less than 2Gb memory. It is not trivial...):sort -S 1500M -t $HOME/tmp input.txt > sorted.txt sort...ore help, you can also type:man sortorsort --helpon your Unix...3669 days ago
Monitor running jobs on Linux server
You as a bioinformatican run lots of program on your servers. Sometime the sh...grams as well. The "top" command will come in handy when you...If you run something for a long time, you’ll see these...uffersThis should be easy to understand – how much memo...3663 days ago
- We use couple of hundreads of command in daily basis. Most of them...and history under bash shell and modify or reuse it? Now a da...t Mode Command History SearchingTo get previous command conta...te command historyThe -c option causes the history list to be...
3657 days ago
A guide for complete R beginners :- R Syntax
R is a functional based language, the inputs to a function, including options, are...vides the help page for the FUNCTION ‘read.table’...ey are not needed when referring to data objects or function...object of type dataframe Reminder: Vector: a list of numb...3399 days ago
A guide for complete R beginners :- Getting data into R
For a beginner this can be is the hardest...t, it is also the most important to get right. It is possible to create a vector by typing data directly into R using t...ummary(B) Two other important options for read.table If i...ue B”) , ylab=“Count of Something”) Note...3399 days ago
A guide for complete R beginners :- Installing R packages
...packages available at the cran and bioconductor repositories. In the last few years, the numbe...ing steps on how to actually install R packages. Let’s...ll, however: if you are using Linux and don’t have r.../") It’s a bit of a pain having to type /data/Rpackage...3399 days ago
- Perl has a ton of command line switches (see perldoc perlrun), but I'm just going to cover the ones you'll commonly need to debug code. The mos...-e switch takes a quoted string of Perl code and executes it...Perl (5.10.0 or higher) you can use the -E switch instead of...
3311 days ago
