Unix Commands

          Q) To know about file Size in Unix 

             A)  du -sk <filename>

                 (this returns size in kilobytes)


         Q) To know which Unix shell scripting you are using
           A)  enter below command in Unix command line(terminal).
                 echo $0

    
         

        Q) To know about the all files size in the folder is

         A) du -sk *

         Q) Command used to go to IBM Explorer in the UNIX server

          A) . /opt/software/mqsi/9.0.0.3/bin/mqsiprofile

         Q) Command to know  start date of the file ?

          A) head <filename>

         Q) To know operating system and version

         A) uname -a

  

        Q) To Check Particular file Length in Unix

         A) ls -l filename

       Q) To count the specific word in file

        A) grep -c "enter string name which want to count"  filename

     

      Q) Command to Copy a file into another directory
     A) cp <givefilenamewhichyouwanttocopy>
     <pathofdirectorywhereyouwanttocopy>/<givethenewfilename>

      
      Q) Command to Copy a file into same directory
     A) cp <givefilenamewhichyouwanttocopy> <givethenewfilename>

  
      Q) Command to delete a file
      A) rm <filename> 

      Q) Command to delete a directory
      A) rmdir <directoryname>