Linux/Unix Commands





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LINUX / UNIX cmd
LINUX/UNIX Commands tutorial/reference - Find linux cmd, syntax, example Introduction
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dump Linux Commands

Tutorials Linux-commands

Topic

What is Linux dump Command?



Explanation

dump COMMAND:
     dump command makes backup of filesystem or file and directories.

SYNTAX:
  The Syntax is
     dump [options] [dump-file] [File-system or file or directories].

OPTIONS:
     
-[level] The dump level any integer
-f Make the backup in a specified file
-u Updates /etc/dumpdats file for the backup made
-v Displays Verbose Information
-e Exclude inode while making backup



EXAMPLE:
     
  1. To make a backup for a directory or file :
    dump -0uf databackup /home/user1/data

    This command creates a dump-file called databackup which is the backup of /home/user1/data directory.
    In above command:
    -0-Is the dump-level [0 specifies full-backup]
    databackup-Is a dump-file [or backup-file]
    /home/user1/data-Is a directory for which a backup is created

  2. To make a backup for a directory or file which is already backedup with dump level 0:
    dump -1uf databackup /home/user1/data

    This command backups all the new files added to /home/user1/data directory after level-0 dump is made.
    -1-Is the dump-level [1 specifies incremental backup]
    databackup-Is a dump-file [or backup-file]
    /home/user1/data-Is a directory for which a backup is created





A Note

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