To edit any file in Unix, use a file editor; there are several, including the venerable 'vi' program or 'vim', pico, nano, etc.
Not sure what you mean by enter a file; you could use an editor, such as vi, emacs, nano, pine, etc. to edit it.
'vi' is the standard text editor for Unix. You use it to edit content of a text file.
The Unix file contains which kinds of fields?
There is no the system file. There are many files necessary to create a working Unix system.
The host file in Unix is usually located in the /etc directory.
Unix is a text file, not a web browser. :)
Douglas W. Topham has written: 'A system V guide to UNIX and XENIX' -- subject(s): UNIX System V (Computer file), XENIX (Computer file) 'The first book of UNIX' 'UNIX and XENIX' -- subject(s): UNIX (Computer file), XENIX
using touch command of UNIX. syntax touch <filename> will create dummy regular file.
Unix audio file.
There are no actual "hidden" files in Unix. The only way to hide the existence of a file is to place it in a folder that no one has read permissions for.
Information on the UNIX file system can be found in some magazines dedicated to technology such as Science Illustrated. Information can also be found on UNIX's official website.
Depending on the Unix vendor, there is usually a 'spell' or 'ispell' command available to spell check words in a file.