You export a variable in one process so that a child process can have the value as well. If you don't export the variable then the child process cannot see it.
If you are on your computer, it would mean to put onto your iPod. Ex. Do you want to export this song to your iPod? If you are on your iPod, it would mean to put onto your computer. Ex. Do you want to export this song to iTunes?
If you want a shell variable to be visible to all child shells then it has to be exported before you start the subshell. For example, export TEST=hi would allow a subshell to see and use that variable. Some shells also use setenv, which does a similar thing.
We export because we want to have more varietys of stuff. like if we did not export we would have too much wood cause we grow wood and if we did not import we would not have graet wines from other places
It is difficult to answer the question without knowing "what" you want to trim. A common command would be 'cut' to cut out columns you don't want.
No, Unix certification is not required for all computer jobs, however it is useful to have some familiarity with Unix and all the different systems that computers run on. On top of that, you would also want to have a specialty in order to make more money.
You should be able to download the Unix Services for Windows, version 3.5, from Microsoft (free). There are other shell emulators that are available for Windows, which would allow you to use Unix type shell scripting without installing any additional OS. Your question about "virtual UNIX" is unclear ..
passwd
Where do you want to export ?
To export multiple photos from Lightroom, select the photos you want to export, go to the File menu, choose Export, set your export settings, and click Export.
As many as you want.
Why would you want them to a single operation? They aren't the same operation, and controlling the contents of a file (formatting) is extremely variable depending on what the contents need to be and how they are formatted. This sequence is true for most operating systems and languages; the creation of the file is very separate from the contents.
you will need an import customs code in the country of destination. The export logistics would be handled by an agent you assign in South Africa.