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linux operating systems

Linux Move Directory Command

I am new to Linux and command line. How do I move a directory under Linux operating systems?
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Linux Network Statistics Tools / Commands

How do I find out the current network interface throughput statistics on Linux (CentOS or Debian based distro)? How do I see current kernel snmp counters and network interface statistics on Linux operating systems?
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HowTo: Linux List Disk Partitions Command

How do I list all hard disk partitions under Linux operating systems?
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Find Linux RAM Information Command

How do I find out ram information under Linux operating systems?
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Linux Unlock An Account

How do I unlock an user account (user login id) under Linux operating systems?
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Red Hat / CentOS Command To Find Dell Service Tag

How do I find out my Dell server service tag using command line under RHEL / Fedora / Red Hat / CentOS / Scientific Linux operating systems?
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I made some changes to the /etc/squid/squid.conf file and issued the command /sbin/service squid restart. However, this command takes way too much time to restart the server. How do I tell squid to just reread the config file and apply new changes under Linux operating systems?
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