TP 3.1: Manipulating archives

Prerequisites

Use your web browser to download fasta data from following url:

https://web-genobioinfo.toulouse.inrae.fr/~formation/unix/tp3/reads.fastq.gz

Transfert this file with Filezilla to genobioinfo at the following path:

~/save/tp_linux/data

Uncompress a file

Question

Move inside the directory data and uncompress the .gz file.

/home/<username>
├── save
│   └── tp_linux
│       ├── blast_result
│       └── data                   <- go there
|           └── reads.fastq.gz     <- uncompress this file
└── work

Solution

cd ~/save/tp_linux/datagunzip reads.fastq.gz

Download a file directly on the server

Question

Alway in the directory data, download with command wget a Swissprot file from http://www.uniprot.org/uniprot/Q96D37.txt

Solution

wget http://www.uniprot.org/uniprot/Q96D37.txt

Compress / Uncompress an archive

Question

Go back inside the directory ~/save/tp_linux.

• Archive and compress the directory blast_result.

  /home/<username>
  ├── save
  │   └── tp_linux                   <- go there
  │       ├── blast_result           <- compress this directory
  │       └── data
  └── work
  

• Display the directory size and its content by using the command du.

• Display the archive size.

Solution

cd ~/save/tp_linuxtar -cvzf mon_archive.tgz blast_resultdu -csh blast_resultdu -sh mon_archive.tgz

Remove a directory and create it again from archive

Question

First, remove the directory blast_result, then uncompress the archive created in previous steps.

Solution

rm -rf blast_resulttar -xvzf mon_archive.tgz