TCS Interview Question & Answers Part I

  1. Explain linux file types?

            7 types of files

             - regular

             d directory

             l symbolic link

             c character special file (hardware files)

     b block special file (files to communicate with    hardware )

             p named pipe (to pass data between process )

     s socket ( mechanism for inter-process communication

2.       2. How is FAT32 file system mounted in linux file system?

            #mkdir /d

            #mount -t vfat /dev/hda1 /d

            /dev/hda1------>drive name

3.    3.   What is difference between ext3 and ext4 file-system?

·           faster time stamping

·           faster file system checking

·           journaling checksums

         Extents (basically automatic space allocation to avoid fragmentation)