查看操作系统块大小
red hat 5 el linux:
[root@orazhang ~]# tune2fs
tune2fs 1.39 (29-May-2006)
Usage: tune2fs [-c max_mounts_count] [-e errors_behavior] [-g group]
[-i interval[d|m|w]] [-j] [-J journal_options]
[-l] [-s sparse_flag] [-m reserved_blocks_percent]
[-o [^]mount_options[,…]] [-r reserved_blocks_count]
[-u user] [-C mount_count] [-L volume_label] [-M last_mounted_dir]
[-O [^]feature[,…]] [-T last_check_time] [-U UUID] device
[root@orazhang ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda7 49594196 40280688 6753552 86% /
