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  Easy Linux Commands
Working Examples of Linux Command Syntax

The easy way to become a Linux command and script guru.

Retail Price $27.95 /  £17.95 

Order now at 30% off!

Only $19.95
(30% off)
 
     

Click here for larger image

  Linux Command Reference Poster

Donald K. Burleson
 

ISBN 0-9759135-8-1 

Unframed Linux Poster - $19.95
      
 

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This is a Linux command syntax reference poster that you will use every day.  Packed with working Linux commands and scripts, this quick reference will always be your guide to Linux command syntax.

WARNING - This poster is not suitable for beginners.  It has powerful root commands and is is designed for senior Linux administrators.

This poster is indispensable for every Linux professional who requires an intelligent quick-reference.

 
Key Features

* Assists the Linux Administrator in getting working Linux command syntax fast

* Quickly find files based on size and date last modified

* Search for a string in entire directories

* Includes root administrator commands

 

About the Author:


Donald Burleson

Donald K. Burleson is one of the world’s top Oracle Database experts with more than 25 years of full-time DBA experience.  He specializes in creating database architectures for very large online databases and he has worked with some of the world’s most powerful and complex systems.  

A former Adjunct Professor, Don Burleson has written more than 30 books, published more than 100 articles in National Magazines, and serves as Editor-in-Chief of Rampant TechPress. Don is a popular lecturer and teacher and is a frequent speaker at Oracle OpenWorld and other international database conferences.

 

Free Oracle Tips

HTML Text

Linux poster Contents:

Administrator Commands


Shutdown server as root /sbin/shutdown

Kill all xxx processes pkill

Kill all processes for xxx user pkill

Show swap paging space /sbin/swapon

Show Linux syslog errors

Delete files > 20 days old find . –mtime

Show swap disk details swapon -s

Kill a stubborn task kill

See held memory segments ipcs

Remove memory segments ipcrm

Show total CPU usage ps aux

Show Linux system parms sysctl

Display most active processes ps aux
or, top

Watch active file writes tail –f

Create Hex dump of file od –x

Mail a set of files cat mail –s

Count online users w or uptime

Display users w

List process IDs for xxx user ps ux -u

Linux command history files history

Display dispatching priority (NI) for tasks ps aux | more

Create a complex alias alias




CPU & RAM Commands


Display the number of CPUs cpuinfo

Show top CPU% ps aux

Display top-10 CPU consumers ps aux

RAM memory display free


Disk and Filesystem Commands

Mount points for disk pvdisplay

Show volume groups vgdisplay

Display free space in directory df -h .






 

File Commands


Remote mount file mount host

Remount a lost file mount –a

Remote file copy scp hostname

Remote mount a file mount host

Create a soft link to file ln –s

Show file usage du –s

Compress a directory tar cvf

Uncompress a directory tar xvf

Find most recent file in directory ls -t

Display last 100 lines of file xxx tail -100

Create a new file named xxx touch

Rename file xxx to yyy mv

Prevent accidental file deletion alias rm='rm -i'



Security Commands


Grant execute permission for all *.ksh files in directory chmod +x

Allow the owner write and execute permission chmod o+wx

See a userx default settings cat /etc/passwd
Search Commands

See most recent changed file ls –alc

See most recent file touch ls –alt

Search binary file for xxx string strings filename

Find files < 3 days old find . –mtime

Find files size > 10k find . –size –print

Find strings in directory grep -ri

Find file columns with column 4=x or y egrep

Find directory for file xxx in $PATH which

Find process xxx ps u


Script Commands

Display command return code echo $?

Increment a counter count=”`exp+1`”

Add two variables TOT=`expr $SYS + $USR`



vi Commands


Delete lines to EOF dG

Read-in new file :r filename

Change all xxx to yyy <esc>:.,$s/xxx/yyy/g

Save and exit <esc>:x

Find string xxx <esc>/xxx

Change word xxx to yyy cw yyy <esc>

Repeat last command .

Repeat last find command /

 

Errata and Enhancements

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 Copyright © 1996 -2016 by Burleson. All rights reserved.


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