Linux Command Reference Poster
This poster is a download
This poster is a download
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. This poster is a download. 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. |
* Assists the Linux Administrator in getting working Linux command syntax fast |
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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 .
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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/passwdSearch 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 Save and exit Find string xxx Change word xxx to yyy cw yyy Repeat last command . Repeat last find command / |