Skip to main content

Unix Commands


                       Files &Directories
  • cat          -      Disaply file content
  • cd           -      Changes directory to dirname
  • chgrp      -      Change file group
  • chmod    -      Changing permissions
  • cp           -      Copy source file into destination
  • file          -      Determine file type
  • find         -      Find files
  • grep        -      Search file for regular expressions
  • head       -      Display first few lines of a file
  • ln           -      Create soft link on oldname
  • ls            -      Display information about file type
  • mkdir      -      Create new directory dirname
  • more       -      Display data in the pagenated form
  • mv         -      move(rename) a old name to new name
  • pwd        -      Print current working directory
  • rm          -      Remove(Delete) filename
  • rmdir      -      Delete an existing directory provided it is empty
  • tail          -      Print last few lines in a file
  • touch      -      Update acess and modification time of a file

                Manipulating data
  • awk        -      Pattern scanning and processing language
  • cmp        -      Compare the content of two files
  • comm     -      Comapre sorted data
  • cut         -      Cut out selected fields of each line of a file
  • diff         -      Differential file comparator
  • expand    -      expand tabs to spaces
  • join         -      Join file on some common fields
  • perl         -      Data manipulation language
  • sed         -      Stream text editor
  • sort        -      Sort file data
  • split        -      Split file into smallet files
  • tr           -      Transalate charecters
  • uniq        -      Report repeated lines in a file
  • wc          -      Cound words, lines, and charecters
  • vi           -      Opens vi text editor
  • vim         -      Opens vim text editor
  • fmt         -      Simple text formatter
  • spell        -      Check text for spelling error          -      ispell
  • emacs     -      GNU project Emacs
  • ex,edit    -      Line editor

                      Compressed Files
  • compress -      Compresses files
  • gunzip     -      Uncompress gunzip files
  • gzip        -      GNU alternative compression method
  • uncompress -  Uncompress files
  • unzip      -      List,text & extract compressed files in zip archive
  • zcat        -      Cat a compressed files
  • zcmp      -      Compare compressed files
  • zdiff        -      Compare compressed files
  • zmore     -      File persual filter for crt viewing of compressed text

               Getting Information
  • apropos   -      Locate commands by keywords lookup
  • info         -      Display's commands information pages online
  • man        -      Display manual pages online
  • whatis     -      Search the Whatis database for complete words
  • yelp        -      GNOME help viewer

               Network Communication
  • ftp          -      File Transfer Program
  • rep         -      Remote file copy
  • rlogin      -      Remote login to a UNIX host
  • rsh         -      Remote shell
  • tftp         -      Trivial File Transfer Program
  • telnet      -      Make terminal communication to another host
  • ssh         -      Secure Shell Terminal(or)Command Connection
  • scp         -      Secure Shell remote file copy
  • sftp        -      Secure shell file transfer program

               Messages between Users
  • evoluation -    GUI mail handling tool on LINUX
  • mail        -      Simple send or read mail program
  • mesg      -      Permit or deny messages
  • parcel      -      Send files to another users
  • pine        -      Vdu-based mail utility
  • talk         -      Talk to another user
  • write              -      Write messages to another user

                 Programming Utilities
  • dbx         -      SUN debugger
  • gdb         -      GNU debugger
  • make      -      Maintain program groups and compile programs
  • nm         -      Print programs name list
  • size         -      Print programs sizes
  • strip        -      Remove symbol table relocation bits
  • cb           -      C program defaulter
  • cc           -      ANSI C compiler for SUN SPARC System
  • ctrace     -      C program debugger
  • gcc         -      GNU ANU C Compiler
  • indent     -      Indent and format C program source
  • bc           -      Interactive arithmetic language processor
  • gcl          -      GNU common list
  • perl         -      General purpose language
  • php         -      Webpages embedded language
  • py          -      Python language interpretor
  • asp         -      Webpages embedded language
  • cc           -      C++ Compiler for SUN's SPARC System
  • g++       -      GNU C++ Compiler
  • javac       -      Java Compiler
  • appletViewer – Java Applet Viewer
  • netbeans -      Java integrated development environment on LINUX
  • sqlplus    -      Run the Oracle SQL interpretor
  • sqlldr      -      Run the Oracle SQL data loader
  • mysql      -      Run the MySQL interceptor

                  MISC Commands
  • chfn        -      Change your finger information
  • chgrp      -      Change the group ownership of a file
  • chown     -      Change owner
  • date        -      print the date
  • datermine -    Automatically find terminal type
  • du          -      Print amount of disk usage
  • echo       -      Echo arguments to the standard options
  • exit         -      Quit the system
  • finger      -      Print information about logged-in users
  • groupadd -     Create a user group
  • group      -      Show group membership
  • homequota -   Show quota and file usage
  • iostat      -      Report I/O statistics
  • kill          -      Send a signal to a process
  • last         -      show last logins of Usres
  • logout     -      Log off UNIX
  • lun          -      List user names (or) Login Id
  • netstat    -      show network startup
  • passwd    -      Change user pwd, Change your login pwd
  • printenv  -      Display value of a shell variable
  • ps           -      Display the status of current processes, print                           processes status statistics    
  • quota-v   -      Display disk usage and limits
  • reset       -      Reset terminal mode
  • script      -      Keep script of terminal session, save output of cmd
  • setenv     -      Set environment variable
  • stty        -      Set terminal options
  • time        -      Time a command
  • top         -      Display all system processes
  • tset        -      Set teminal mode
  • tty          -      Print current terminal name
  • umask     -      Show the permission that are given to view files by                   default
  • uname    -      Display name of the current system
  • uptime    -      Get a system up time
  • useradd   -      Create a user account
  • users      -      Print names of logged in users
  • vmstat    -      Report Virtual Memory Statistics
  • w           -      Show what logged in users are doing
  • who        -      List logged in users

       Leave a comment in comment box about this post



Labels:
Location: India

Comments

Post a Comment

Popular posts from this blog

JNDI configuration for Tomcat 9 with Oracle

In this article, I am going to place the required source code to get data from the table by using the JNDI configuration. Below are the environment details that I have configured currently. Windows - 7 Oracle - 10g Tomcat - 9 JDK - 8 Eclipse Oxygen Ojdbc6 jar required First, we need to create the Dynamic Web Project. If you don't know how to do <Click Here>. I have faced a lot of issues before getting the output like 405, No driver class to load, etc. I am using JSP & Servlets in the current explanation. Before started writing the application logic, we need to do the below configuration in the installed tomcat directory. Place OJDBC6.jar in the Tomcat LIB directory. Add this Resource under <GlobalNamingResources> in Server.xml file which is present under the conf directory in Tomcat. < Resource name = "jdbc/myoracle" global= "jdbc/myoracle" auth = "Container" type= "javax.sql.DataSource" driverClass...
Post a Comment
Read more

Prime, Fibonacci and Factorial number with example in java

Prime number, Fibonacci series and Factorial number programs are most commonly asked questions in interview. Read this article to know what is and how to write programs for prime number, fibonacci series and factorial number. Prime Number: prime number is natural number greater than 1 that has no positive divisor other than 1 and itself. A natural number greater than 1 is not a prime number, is called Composite number . For example, 7 is a prime number. Because it can divide with 1 and 7 only. Where as 8 is composite number. Since it has the divisor 2 and 4 in addition to the 1 and 8. The below example represents the finding the passing number is prime number or not. If the passing number is prime number it will print true otherwise it will print false. package com . javatbrains . practice ; public class PrimeNumber { public boolean isPrimeNumber ( int number ) { if ( number <= 1 ) return false ; // There's only one ...
1 comment
Read more

JVM, JRE and JDK in Java

JVM, JRE and JDK are the most basic common concepts to know in java. These are the basic features to understand how Java architecture works? JVM stands for Java Virtual Machine, which doesn't have any physical directories created in java installation. JRE stands for Java Runtime Environment, which creates the directory under Java installation path and also present in JDK. JDK stands for Java Development Kit, which creates the directory in Java installation path and also it has it's own JRE. Since we have already learn that Java is platform independent means if we have implemented any of the java class in one environment, it will be executed in any other environment and provides the same output. But, JVM, JRE and JDK all are platform dependent . So that, for windows, linux, unix, mac, solaris..etc has it's own JVM, JRE and JDK. One will be not compatible with other environments. While installing the Java, we might come to know a bit about JRE and JDK. But, JVM is the other...
8 comments
Read more