Monday, December 12, 2011

Linux Commands - Funny

cat, cut, find,free, head,kill, man,nice, paste,sleep,tail, touch, watch , who - What is this!!
Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. Nowadays, Linux commonly using in Desktop machines as well as Servers.  Lots of commands are available in Linux for sysem use. Most of them can easily remember to a normal user. Some of the interesting commands in Linux as shown here.
catConcatenate files and print on the standard output
clearClear terminal screen
cutDivide a file into several parts
dateDisplay or change the date & time
echoDisplay message on screen
ejectEject CD-ROM
expandConvert tabs to spaces
factorPrint prime factors
findSearch for files that meet a desired criteria
foldWrap text to fit a specified width
formatFormat disks or tapes
freeDisplay memory usage
headOutput the first part of file(s)
joinJoin lines on a common field
killStop a process from running
lessDisplay output one screen at a time
manHelp manual
niceSet the priority of a command or job
pasteMerge lines of files
screenTerminal window manager
selectAccept keyboard input
sleepDelay for a specified time
sortSort text files
splitSplit a file into fixed-size pieces
tailOutput the last part of files
testEvaluate a conditional expression
timeMeasure Program Resource Use
touchChange file timestamps
topList processes running on the system
watchExecute/display a program periodically
whereisReport all known instances of a command
whichLocate a program file in the user's path
whoPrint all usernames currently logged in
whoamiPrint the current user id and name (`id -un')
yesPrint a string until interrupted

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