How to extract a ZIP archive

Given:

• FreeBSD 9.3-RELEASE-p9, twm, xterm
• a ZIP archive, for example vesna-v1.zip

Find: extract its content to the current working directory.
Solution:
% unzip vesna-v1.zip

Tip:
If an archive contains two or more files, you may need to create a new directory and put the archive into it before extracting. For example:
% mkdir vesna-v1
% mv vesna-v1.zip vesna-v1
% cd vesna-v1
% unzip vesna-v1.zip

Using this approach you always will be able to tell extracted files from old ones because extracted files will in separated directory =)

How to install the Pandora plugin for GIMP

1. Find the location of GIMP's directory for scripts (inside your home directory).
   
2. Save pandora-combine-0.9.3.scm to scripts directory.
3. Use Filters → Script-Fu → Refresh Scripts to refresh scripts.
4. Then read the How to use Pandora section from its page.

Sources

1. Pandora: a GIMP Plugin for Making Panoramas
2. Installing Script-Fus

Thumbnails in Mate's Caja

Why Caja from my Mate desktop does not show thumbnails for all files and how to make it show thumbnails for all files?

Устранение аберраций

С использованием: UFRaw

На вкладке "коррекция дефектов объектива" есть еще одна вкладка "хроматические аберрации" нужно подвигать ползунки kr и kb. Лучше всего аберрации видны по границам темного на светлом фоне, например, веточки на фоне неба.

Create an ISOimage

It is possible to create an ISO image file using the mkisofs. The mkisofs is a standard utility of FreeBSD OS.

% mkisofs -joliet-long -o cdFile.iso cdtree/

where cdFile.iso is the name of a new ISO image file
and cdtree/ is a path to directory containing the files and directories to put in the new image file.

You may want to use  -joliet-long flag to preserve the long names inside the image.

Sources

1. 18.5. Creating and Using CD Media
2. man mkisofs
3. .