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UNIX: Find Out the Server Model

How do I find out my UNIX server model? What is my UNIX server model?
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HowTo: UNIX Set Date and Time Command

I recently noticed that one of my UNIX servers was about 4 hours behind the correct time. I wanted to correct the date and time manually. How do I set date and/or time under UNIX operating systems using command line options?
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Linux / UNIX: See If Particular Users Are Logged Into Server

How do I see if my friends or coworkers are logged into the same Linux or BSD or UNIX (AIX, HP-UX, Apple OS X) server / workstation as I am from a command line?
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Delete SSH Keys

One my user leaves the office and I’d like to disable her access to our UNIX / Linux system. How do I delete ssh key from the UNIX systems so that user can not log in?
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Linux/UNIX: Move File Starting With A Dash

In Unix or Linux operating systems, how do I move file(s) starting with a dash (e.g., /home/you/–filename.txt or /home/you/-filename.txt)?
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HowTo: Unix For Loop 1 to 100 Numbers

I want to run a Unix command 100 times using a for loop from 1 to 100. Can you tell me how to take a block of numbers in a loop under KSH or BASH shell?
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Find: UNIX Operating System Release and Version Number

How do I find Unix version and release number using command line options? What version, release, and maintenance level of Unix is running on my system?
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sed Delete / Remove ^M Carriage Return (Line Feed / CRLF) on Linux or Unix

How can I remove the ^M or ^M (carriage Return / line feed ) from text file using sed under UNIX or Linux operating systems?
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HP-UX: Boot Into Single User Mode

Question: I know how to boot into single user mode under Linux and FreeBSD. But, how do I boot into single user mode under HP-UX (HP9000) UNIX operating system?
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Linux Mount Solaris x86 UNIX UFS Partitions

Q. How do I mount Solaris 10 / OpenSolaris x86 parition under Linux to access file system?
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