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unix operating systems

IPv6 Address Example

What does an IPv6 address look like? Can you give an example of IPv6 address? How do I view an IPv6 address under Linux or UNIX operating systems?
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Linux / UNIX: Deleting Files In Many Subdirectories

How do I delete all files (only files and not subdirs) located in /var/pub/ftp/incoming and its subdirectories under Linux or UNIX operating systems?
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UNIX Disk Usage Command Examples

How do I find out disk usage under UNIX operating systems using GUI, CLI and Perl / shell programs?
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vi / vim: Jump To End Of File Command

I'm using vim as a text editor and editing a large code file written in python. How do I jump to end of file using vim text editor under Apple Mac OS X Unix operating systems?
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I need to get a list of sizes in human readable du output format. How do I get the output for du command in GB under Linux or UNIX operating systems?
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Use SSH Client With Password On Command Line

How do I pass an additional command line option to my OpenSSH client for password? I need to pass the both usename and password on the command line as follows:

ssh user@server.nixcraft.net.in myPasswordHere "command1"

How do I pass a password to ssh client under Linux or UNIX operating systems?
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How do I make a File "unalterable" (write protect) such as it cannot be changed or deleted even by root or superuser under Apple OS X UNIX operating systems?
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