Путеводитель по Руководству Linux

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   debugfs    ( 8 )

отладчик файловой системы ext2 / ext3 / ext4 (ext2/ext3/ext4 file system debugger)

  Name  |  Synopsis  |  Description  |  Options  |  Specifying files  |  Commands  |    Environment variables    |

Переменные окружения (Environment variables)

DEBUGFS_PAGER, PAGER
              The debugfs program always pipes the output of the some
              commands through a pager program.  These commands include:
              show_super_stats (stats), list_directory (ls),
              show_inode_info (stat), list_deleted_inodes (lsdel), and
              htree_dump.  The specific pager can explicitly specified
              by the DEBUGFS_PAGER environment variable, and if it is
              not set, by the PAGER environment variable.

Note that since a pager is always used, the less(1) pager is not particularly appropriate, since it clears the screen before displaying the output of the command and clears the output the screen when the pager is exited. Many users prefer to use the less(1) pager for most purposes, which is why the DEBUGFS_PAGER environment variable is available to override the more general PAGER environment variable.