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mkdir command

RHEL / Fedora /CentOS Linux: Set RPM Build Environment

How do I set an rpm build environment on CentOS / RHEL / Red Hat Enterprise Linux version 6.x? How can I set rpm build environment on latest version of Fedora Linux?
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Ubuntu / Debian Linux: Install and Setup TFTPD Server

How do I install and configure TFTP server under Debian or Ubuntu Linux server to configure networking equipment such as remote booting of diskless devices or remote loading of Unix like operating systems via PXE boot?
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Mount CD-ROM / DVD in HP-UX Unix

How do I mount CD or DVD on HP-UX Unix operating systems?
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Ubuntu: Mount The Drive From Command Line

I‘m new to Ubuntu Linux. How do I mount the hard disk drive from command line?
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Linux: Find Alternative Superblocks

I think my file system has been damaged. Instead of block 1, I want to use block n as superblock. How do I find out an alternative superblock location under Linux?
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Linux: Howto Make a Directory Command

How do I make directory under Linux operating systems using the command prompt or bash shell?
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FreeBSD: Nginx Virtual Hosting Configuration

Q. How do I configure Nginx Web server for virtual hosting (host multiple websites under same IP address – name based virtual hosting)?
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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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Bash Shell: Replace a String With Another String In All Files Using sed and Perl -pie Options

How do I replace a string with another string in all files? For example, ~/foo directory has 100s of text file and I’d like to find out xyz string and replace with abc. I’d like to use sed or any other tool to replace all occurrence of the word.
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OpenBSD Mount And Use a USB Flash Drive

How do I mount and use a USB pen or hard disk under OpenBSD operating systems using ksh/bash/sh shell prompt?
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