Security, call security!

Security, call security!You already heard that Linux is safe, and that there are no virus, no spyware… well, in fact, Linux has one small problem regarding security… YOU! Thats right, problem resides between the keyboard and the chair. So let’s start to look to you system in a safer way, learning how stuff works, and not making mistakes in the future.
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The magic of creation!

By now you should have gathered basic knowledge on your filesystem. You know how to find help, list contents on your directories, copying and moving stuff around and also some theory behind the Linux Filesystem. Now let’s see how can you create and remove directories and files, one by one ore a few at a time!
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… and to move around stuff!

Object moving, is like a normal copy, but the source of the object gets deleted, or in special situations, renamed. To be a little bit more technical, when you issue the cp command to copy a file for example, this creates a completely new file system entry, data and inode. On the other hand the mv command simply changes where the file is located in the directory structure, or if you make a mv on a same directory, it simply changes the name of the object.
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We do love to copy…

A regular object (file, directory…) copy is a straightforward operation, it’s just a matter of replicating a object in a new location.
ie: cp /dir1/file1 /dir2/file2
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Your second nature…

It’s very easy to list the contents of the current directory, or by specifying, any given directory. You can also use the listing command, to certify yourself that a file is where you think it is.
Now, listing command is a easy one to remember and it goes like this:

ls [option] [directories or files]

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