Our intent is to provide you with the basics for using Linux. Hope you enjoy and find useful.

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• aliases - Email Names
• Backup - tar
• cal - Display a Calendar
• cat - Displaying Files
• cd - Change Directory
• chgrp - Change Group
• chmod - Change Permissions
• chown - Change Owner
• clear - Clear Screen
• cp - Copy Files

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• date - Display/Change System Date and Time
• Dialup Network Connection - ppp
• Directory, Change - pwd
• Directory, Create -mkdir
• Directory, Display Current - pwd
• Directory, List Contents - ls
• Directory, Remove - rmdir
• Domain Name Servers - nslookup
• df - Disk Free Space
• du - Disk Usage

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• Email - aliases
• Email, Automatically Scan for Viruses
• Email, Getting - fetchmail
• Email, File Locations
• Email, Client Programs
• Email, Subscription - majorodomo
• env - Environment Variables
• etc/fstab - NFS Network File System
• etc/group - Where Group Information is Stored
• etc/passwd - Where User Information is Stored
• exit - Log Out

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• fetchmail - Getting Email from Server
• File Permissions Read, Write, Executable
• File Structure
• File System Cleaning - fsck
• File System - mount
• File System - unmount
• Files, Copy - cp
• Files, Display - cat
• Files, Display - head
• Files, Display - less
• Files, Display - tail
• Files, Delete - rm
• Files, Edit - vi
• Files, Linking - ln
• Files, Rename - mv
• Files, Sorting - sort
• Files, Verifying Type
• Files, Using Wildcards
• finger - View User Information
• free - Memory Usage
• fsck - Clean the File System
• ftp - Anonymous

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• grep - Finding Specific Content Within a File
• Group, Change Ownership - chgrp
• Group, Where Information is Stored
• head - Displaying Files
• Help - info
• Help - man
• hostname - Host/Domain Name and IP Address
• id - Current User Info
• ifconfig - Network Configuration
• info - Get Help
• Interface Statistics - netstat
• init - Setting Multi-user Modes

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• less - Displaying Files
• ln - Linking Files
• Login
• Login Scripts - /etc/passwd bash .profile
• Log Out
• lpc - Manage Print Spooler
• lpr - Print a File
• lprm - Remove a Print Job
• lpq - View Printer Jobs
• ls - List Contents of a Directory

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• man - Get Help
• majordomo - Subscription Email
• Memory Usage
• mkdir - Create Directories
• mount - Mount File System
• mt - Handy Tape Commands
• mv - Rename Files

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• netstat - Network Connections, Routing Tables, Interface Statistics
• Network Configuration - ifconfig
• Network Connection Test - ping
• NFS Network File System
• nslookup - Query (DNS) Domain Name Servers

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• Passwords, Where User Information is Stored
• passwd - Change passwords
• passwd - User's Password
• Permissions Read, Write, Executable
• ping - Test Network Connection
• pipe - Display by Page Utility
• ppp - Dialup Network Configuration
• Print a File - lpr
• printcap - Spooler Configuration File
• Print Spooler Manager - lpc
• procinfo - System Info
• Process Status - top
• pwd - Display Name of Current Directory
• ps - Process Status

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• Remove a Print Job - lprm
• Restore - tar
• rm - Delete Files
• rmdir - Remove Directories
• Routing Tables - netstat
• Routing Steps that Packets Take to Get to Network Host - traceroute

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• sendmail - Control Config Monitor
• sendmail.cf - Configuration File
• sendmail - Stop Start
• sendmail - Relay Setup
• sendmail - Bug Fix for SuSE and Email Scanner
• shutdown
• sort - Sorting Files
• Spooler, Manager - lpc
• Spooler, View Print Jobs - lpq
• su - Switch User
• System Info - procinfo
• System Date and Time - date

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• tail - Displaying Files
• Tape Command - mt
• tar - Backup Restore Verify
• telnet - Communicate with Another Host
• Time, Display/Change System Date and Time - date
• touch - Change Access Time for a File or Create New Filel
• traceroute - Routing Steps that Packets Take to Get to Network Host
• top - Monitor Process Status

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• unmount - File System
• uptime
• Users, Current Info - id
• useradd - Add User
• userdel - Delete User
• usermod - Change User
• User Information - finger

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• vi - Edit Text Files
• View Print Jobs - lpq
• Virtual Hosting
• Virus Scanning
• Wildcards
• wc - Count the Number of Lines, Words or Characters
• who - Display Status of Users Logged In