JFS_TUNE(8) (NAME) jfs_tune - JFS (SYNOPSIS) jfs_tune [ -J _ ] [ -l ] [ -L _ ] [ -u _UUID ] [ -V ] (DESCRIPTION) jfs_tune UUID JFS . jfs_tune JFS . (root) . ( /dev/hdb1) JFS JFS . (OPTIONS) -J device=_ JFS _ JFS . . . mkfs.jfs -J journal_dev _ : jfs_tune -J device=_ _ LABEL= UUID= ( jfs_tune -l UUID ). -l (Superblock) JFS . -L _ (Volume label) JFS . JFS () _ jfs_tune . mount(8) fsck(8) /etc/fstab(5) ( ) LABEL=_ /dev/hda5 . -u _UUID, -U _UUID (UUID) _UUID . UUID : "c1b9d5a2-f162-11cf-9ece-0020afc76f16". _UUID : clear UUID . random UUID . time UUID . UUID mount(8) fsck(8) /etc/fstab(5) ( ) UUID= /dev/hda1 . uuidgen(8) . -V ( ). (EXAMPLES) UUID JFS : jfs_tune -l -U random /dev/hdb3 JFSLog JFS /dev/hda8: jfs_tune -J device=LABEL=JFSLog /dev/hda8 (REPORTING BUGS) JFS jfs_tune ( "Report Bugs") JFS : http://jfs.sourceforge.net jfs_tune . (SEE ALSO) jfs_fsck(8) jfs_mkfs(8) jfs_fscklog(8) jfs_logdump(8) jfs_debugfs(8) (AUTHORS) Barry Arndt (barndt@us.ibm.com) jfs_tune IBM . JFS : http://jfs.sourceforge.net jfsutils JFS_TUNE(8)