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    [root@hadoop1 /]# du -BG  -d 1
    1G ./boot
    0G ./dev
    63G ./home
    du: 无法访问"./proc/6689/task/6689/fd/4": 没有那个文件或目录
    du: 无法访问"./proc/6689/task/6689/fdinfo/4": 没有那个文件或目录
    du: 无法访问"./proc/6689/fd/4": 没有那个文件或目录
    du: 无法访问"./proc/6689/fdinfo/4": 没有那个文件或目录
    0G ./proc
    1G ./run
    0G ./sys
    1G ./etc
    10G ./root
    1G ./tmp
    1G ./var
    11G ./usr
    0G ./media
    5G ./mnt
    0G ./opt
    0G ./srv
    2G ./data
    0G ./data0
    89G .
    [root@hadoop1 /]#

    [root@hadoop1 /]# du -BG  -d 2
    1G ./boot/grub
    1G ./boot/grub2
    1G ./boot
    0G ./dev/net
    0G ./dev/vfio
    0G ./dev/snd
    0G ./dev/mqueue
    0G ./dev/hugepages
    0G ./dev/centos
    0G ./dev/disk
    0G ./dev/block
    0G ./dev/bsg
    0G ./dev/dri
    0G ./dev/char
    0G ./dev/mapper
    0G ./dev/pts
    0G ./dev/shm
    0G ./dev/input
    0G ./dev/bus
    0G ./dev/raw
    0G ./dev/cpu
    0G ./dev
    3G ./home/trunk
    36G ./home/data
    1G ./home/personas
    5G ./home/hadoop
    63G ./home
    0G ./proc/ipmi
    0G ./proc/scsi
    0G ./proc/acpi
    0G ./proc/irq
    0G ./proc/sys
    0G ./proc/bus
    0G ./proc/tty
    0G ./proc/driver
    0G ./proc/fs
    0G ./proc/sysvipc
    0G ./proc/1
    0G ./proc/2
    0G ./proc/3
    0G ./proc/5
    0G ./proc/7
    0G ./proc/8
    0G ./proc/9
    0G ./proc/10
    0G ./proc/11
    0G ./proc/12
    0G ./proc/13
    0G ./proc/14
    0G ./proc/15
    0G ./proc/16
    0G ./proc/17
    0G ./proc/18
    0G ./proc/19
    0G ./proc/20
    0G ./proc/21
    0G ./proc/22
    0G ./proc/23
    0G ./proc/24
    0G ./proc/25
    0G ./proc/26
    0G ./proc/27
    0G ./proc/28
    0G ./proc/29
    0G ./proc/30
    0G ./proc/31
    0G ./proc/32
    0G ./proc/33
    0G ./proc/34
    0G ./proc/35
    0G ./proc/36
    0G ./proc/37
    0G ./proc/38
    0G ./proc/39
    0G ./proc/40
    0G ./proc/41
    0G ./proc/42
    0G ./proc/43
    0G ./proc/44
    0G ./proc/45
    0G ./proc/48
    0G ./proc/49
    0G ./proc/50
    0G ./proc/52
    0G ./proc/53
    0G ./proc/54
    0G ./proc/55
    0G ./proc/58
    0G ./proc/59
    0G ./proc/60
    0G ./proc/62
    0G ./proc/63
    0G ./proc/64
    0G ./proc/65
    0G ./proc/67
    0G ./proc/68
    0G ./proc/69
    0G ./proc/70
    0G ./proc/72
    0G ./proc/73
    0G ./proc/74
    0G ./proc/75
    0G ./proc/77
    0G ./proc/78
    0G ./proc/79
    0G ./proc/80
    0G ./proc/81
    0G ./proc/82
    0G ./proc/83
    0G ./proc/84
    0G ./proc/85
    0G ./proc/86
    0G ./proc/91
    0G ./proc/92
    0G ./proc/93
    0G ./proc/94
    0G ./proc/95
    0G ./proc/96
    0G ./proc/104
    0G ./proc/107
    0G ./proc/111
    0G ./proc/112
    0G ./proc/131
    0G ./proc/167
    0G ./proc/351
    0G ./proc/353
    0G ./proc/362
    0G ./proc/363
    0G ./proc/364
    0G ./proc/365
    0G ./proc/366
    0G ./proc/367
    0G ./proc/368
    0G ./proc/370
    0G ./proc/371
    0G ./proc/372
    0G ./proc/373
    0G ./proc/374
    0G ./proc/378
    0G ./proc/382
    0G ./proc/383
    0G ./proc/396
    0G ./proc/476
    0G ./proc/477
    0G ./proc/486
    0G ./proc/487
    0G ./proc/499
    0G ./proc/501
    0G ./proc/502
    0G ./proc/503
    0G ./proc/504
    0G ./proc/505
    0G ./proc/506
    0G ./proc/507
    0G ./proc/508
    0G ./proc/511
    0G ./proc/579
    0G ./proc/597
    0G ./proc/611
    0G ./proc/637
    0G ./proc/656
    0G ./proc/671
    0G ./proc/712
    0G ./proc/713
    0G ./proc/714
    0G ./proc/715
    0G ./proc/717
    0G ./proc/718
    0G ./proc/719
    0G ./proc/730
    0G ./proc/731
    0G ./proc/732
    0G ./proc/733
    0G ./proc/734
    0G ./proc/735
    0G ./proc/747
    0G ./proc/769
    0G ./proc/772
    0G ./proc/774
    0G ./proc/775
    0G ./proc/777
    0G ./proc/785
    0G ./proc/791
    0G ./proc/792
    0G ./proc/801
    0G ./proc/802
    0G ./proc/951
    0G ./proc/974
    0G ./proc/981
    0G ./proc/985
    0G ./proc/992
    0G ./proc/1015
    0G ./proc/1031
    0G ./proc/1141
    0G ./proc/1240
    0G ./proc/1395
    0G ./proc/1522
    0G ./proc/1833
    0G ./proc/2015
    0G ./proc/2073
    0G ./proc/2111
    0G ./proc/2137
    0G ./proc/2141
    0G ./proc/2142
    0G ./proc/2145
    0G ./proc/2152
    0G ./proc/2160
    0G ./proc/2165
    0G ./proc/2171
    0G ./proc/2183
    0G ./proc/2213
    0G ./proc/2281
    0G ./proc/2421
    0G ./proc/2492
    0G ./proc/2531
    0G ./proc/2533
    0G ./proc/2536
    0G ./proc/2538
    0G ./proc/2542
    0G ./proc/2543
    0G ./proc/2768
    0G ./proc/2846
    0G ./proc/2851
    0G ./proc/2855
    0G ./proc/2865
    0G ./proc/2878
    0G ./proc/2984
    0G ./proc/3059
    0G ./proc/3447
    0G ./proc/3574
    0G ./proc/3577
    0G ./proc/3580
    0G ./proc/3607
    0G ./proc/3718
    0G ./proc/3794
    0G ./proc/3822
    0G ./proc/3848
    0G ./proc/3856
    0G ./proc/3868
    0G ./proc/3913
    0G ./proc/3961
    0G ./proc/3996
    0G ./proc/3997
    0G ./proc/4003
    0G ./proc/4005
    0G ./proc/4008
    0G ./proc/4009
    0G ./proc/4074
    0G ./proc/4195
    0G ./proc/4221
    0G ./proc/4288
    0G ./proc/4351
    0G ./proc/4404
    0G ./proc/4435
    0G ./proc/4501
    0G ./proc/5146
    0G ./proc/5283
    0G ./proc/5383
    0G ./proc/5449
    0G ./proc/5569
    0G ./proc/5720
    0G ./proc/5746
    0G ./proc/5887
    0G ./proc/6030
    0G ./proc/6544
    0G ./proc/6561
    0G ./proc/6562
    0G ./proc/6564
    0G ./proc/6572
    0G ./proc/6576
    0G ./proc/6598
    0G ./proc/6618
    0G ./proc/6633
    0G ./proc/6658
    0G ./proc/6724
    0G ./proc/6893
    0G ./proc/6895
    0G ./proc/6898
    0G ./proc/6903
    0G ./proc/6929
    0G ./proc/6955
    0G ./proc/6957
    du: 无法访问"./proc/6978/task/6978/fd/4": 没有那个文件或目录
    du: 无法访问"./proc/6978/task/6978/fdinfo/4": 没有那个文件或目录
    du: 无法访问"./proc/6978/fd/4": 没有那个文件或目录
    du: 无法访问"./proc/6978/fdinfo/4": 没有那个文件或目录
    0G ./proc/6978
    0G ./proc/7072
    0G ./proc/7083
    0G ./proc/9570
    0G ./proc/9625
    0G ./proc/9628
    0G ./proc/9634
    0G ./proc/9643
    0G ./proc/9645
    0G ./proc/9649
    0G ./proc/10194
    0G ./proc/10195
    0G ./proc/10201
    0G ./proc/10204
    0G ./proc/10207
    0G ./proc/10208
    0G ./proc/10211
    0G ./proc/10705
    0G ./proc/11590
    0G ./proc/11611
    0G ./proc/11979
    0G ./proc/12184
    0G ./proc/12629
    0G ./proc/12754
    0G ./proc/13119
    0G ./proc/13542
    0G ./proc/13815
    0G ./proc/14005
    0G ./proc/14009
    0G ./proc/14014
    0G ./proc/14319
    0G ./proc/14607
    0G ./proc/14613
    0G ./proc/14909
    0G ./proc/16290
    0G ./proc/16296
    0G ./proc/16300
    0G ./proc/16400
    0G ./proc/16519
    0G ./proc/16541
    0G ./proc/16544
    0G ./proc/16548
    0G ./proc/16550
    0G ./proc/16908
    0G ./proc/16957
    0G ./proc/16997
    0G ./proc/17048
    0G ./proc/17049
    0G ./proc/17165
    0G ./proc/18302
    0G ./proc/18340
    0G ./proc/18535
    0G ./proc/18783
    0G ./proc/18903
    0G ./proc/19638
    0G ./proc/19704
    0G ./proc/20152
    0G ./proc/20480
    0G ./proc/20891
    0G ./proc/20893
    0G ./proc/20896
    0G ./proc/20969
    0G ./proc/21076
    0G ./proc/21185
    0G ./proc/21207
    0G ./proc/21229
    0G ./proc/21405
    0G ./proc/21406
    0G ./proc/21411
    0G ./proc/21415
    0G ./proc/21421
    0G ./proc/21423
    0G ./proc/21713
    0G ./proc/21714
    0G ./proc/21717
    0G ./proc/21780
    0G ./proc/22217
    0G ./proc/22220
    0G ./proc/22227
    0G ./proc/22906
    0G ./proc/23198
    0G ./proc/23778
    0G ./proc/24389
    0G ./proc/24873
    0G ./proc/24889
    0G ./proc/25517
    0G ./proc/25704
    0G ./proc/25761
    0G ./proc/25873
    0G ./proc/26094
    0G ./proc/26512
    0G ./proc/26619
    0G ./proc/26753
    0G ./proc/27239
    0G ./proc/27390
    0G ./proc/28009
    0G ./proc/28099
    0G ./proc/28229
    0G ./proc/28269
    0G ./proc/28303
    0G ./proc/28305
    0G ./proc/28308
    0G ./proc/28636
    0G ./proc/28642
    0G ./proc/28647
    0G ./proc/28717
    0G ./proc/28847
    0G ./proc/29032
    0G ./proc/29039
    0G ./proc/29437
    0G ./proc/29501
    0G ./proc/30340
    0G ./proc/31236
    0G ./proc/31274
    0G ./proc/31301
    0G ./proc/31430
    0G ./proc/31473
    0G ./proc/31534
    0G ./proc/32182
    0G ./proc/32315
    0G ./proc
    0G ./run/NetworkManager
    0G ./run/dbus
    0G ./run/sepermit
    0G ./run/tuned
    0G ./run/ppp
    0G ./run/setrans
    0G ./run/openldap
    0G ./run/faillock
    0G ./run/nscd
    0G ./run/user
    0G ./run/netreport
    0G ./run/nslcd
    0G ./run/iptraf-ng
    0G ./run/console
    0G ./run/lvm
    0G ./run/plymouth
    1G ./run/tmpfiles.d
    1G ./run/udev
    0G ./run/mount
    1G ./run/log
    0G ./run/lock
    1G ./run/initramfs
    1G ./run/systemd
    1G ./run
    0G ./sys/fs
    0G ./sys/bus
    0G ./sys/dev
    0G ./sys/devices
    0G ./sys/block
    0G ./sys/class
    0G ./sys/power
    0G ./sys/firmware
    0G ./sys/kernel
    0G ./sys/module
    0G ./sys/hypervisor
    0G ./sys
    1G ./etc/pki
    1G ./etc/rpm
    1G ./etc/yum.repos.d
    1G ./etc/yum
    1G ./etc/lvm
    1G ./etc/depmod.d
    0G ./etc/dracut.conf.d
    1G ./etc/audit
    1G ./etc/rdma
    0G ./etc/gnupg
    1G ./etc/modprobe.d
    0G ./etc/binfmt.d
    0G ./etc/modules-load.d
    1G ./etc/systemd
    0G ./etc/sysctl.d
    1G ./etc/rsyslog.d
    1G ./etc/udev
    1G ./etc/ppp
    1G ./etc/fonts
    1G ./etc/java
    1G ./etc/profile.d
    0G ./etc/rwtab.d
    0G ./etc/statetab.d
    0G ./etc/cron.weekly
    1G ./etc/X11
    1G ./etc/bash_completion.d
    0G ./etc/opt
    0G ./etc/pm
    1G ./etc/skel
    1G ./etc/sysconfig
    0G ./etc/xdg
    0G ./etc/xinetd.d
    0G ./etc/terminfo
    1G ./etc/prelink.conf.d
    1G ./etc/default
    1G ./etc/cron.d
    1G ./etc/ld.so.conf.d
    1G ./etc/cron.hourly
    1G ./etc/NetworkManager
    1G ./etc/firewalld
    1G ./etc/dbus-1
    0G ./etc/jvm
    0G ./etc/popt.d
    1G ./etc/alternatives
    0G ./etc/chkconfig.d
    1G ./etc/rc.d
    0G ./etc/cron.monthly
    1G ./etc/polkit-1
    1G ./etc/grub.d
    1G ./etc/wpa_supplicant
    0G ./etc/dnsmasq.d
    0G ./etc/gcrypt
    1G ./etc/libnl
    0G ./etc/pkcs11
    1G ./etc/plymouth
    1G ./etc/sasl2
    1G ./etc/groff
    1G ./etc/audisp
    1G ./etc/selinux
    0G ./etc/gss
    1G ./etc/ssh
    0G ./etc/dhcp
    0G ./etc/maven
    0G ./etc/ssl
    1G ./etc/tmpfiles.d
    1G ./etc/python
    1G ./etc/pam.d
    1G ./etc/security
    1G ./etc/iproute2
    1G ./etc/ant.d
    1G ./etc/avahi
    1G ./etc/cron.daily
    1G ./etc/logrotate.d
    1G ./etc/my.cnf.d
    1G ./etc/openldap
    1G ./etc/tuned
    1G ./etc/ntp
    1G ./etc/postfix
    1G ./etc/kernel
    0G ./etc/sudoers.d
    0G ./etc/krb5.conf.d
    0G ./etc/jvm-commmon
    0G ./etc/gdbinit.d
    1G ./etc/mail
    0G ./etc/smrsh
    1G ./etc
    2G ./root/tools
    1G ./root/.oracle_jre_usage
    1G ./root/.cache
    0G ./root/.conda
    1G ./root/.local
    1G ./root/.sbt
    1G ./root/bin
    1G ./root/.qws
    0G ./root/.config
    1G ./root/.ssh
    1G ./root/.astropy
    0G ./root/mv
    1G ./root/.ipython
    1G ./root/.ivy2
    3G ./root/anaconda3
    1G ./root/.pycharm_helpers
    0G ./root/.pki
    1G ./root/.m2
    10G ./root
    0G ./tmp/.font-unix
    0G ./tmp/.ICE-unix
    0G ./tmp/.Test-unix
    0G ./tmp/.XIM-unix
    0G ./tmp/.X11-unix
    0G ./tmp/hsperfdata_hadoop
    1G ./tmp/hsperfdata_root
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08_8854997322937407694
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08_413782304536331551
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08_4739400385710611595
    0G ./tmp/Jetty_hadoop1_50090_secondary____.t2t9am
    0G ./tmp/pip-g3p023g9-unpack
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08_75127038679212854
    0G ./tmp/67d78a64-71a2-4be6-8d23-8dc78e695fd1_resources
    0G ./tmp/pip-2q53_ygg-unpack
    0G ./tmp/pip-2uyf0lub-unpack
    0G ./tmp/pip-p3wyxxgh-unpack
    0G ./tmp/pip-uae91eic-unpack
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08_7649631246077409088
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08_1616998678285400436
    0G ./tmp/Jetty_0_0_0_0_50075_datanode____hwtdwq
    0G ./tmp/pip-bydhir9x-unpack
    0G ./tmp/pip-gjflfwpj-unpack
    0G ./tmp/pip-d04ufvwy-unpack
    0G ./tmp/hadoop
    0G ./tmp/583c286b-d1db-4923-9026-d22a2fc7c6ca_resources
    0G ./tmp/abb35a41-ca0c-492d-a8a5-6d1f65659883_resources
    0G ./tmp/c14ba481-8920-464a-9f9a-a8a19d3f8f38_resources
    0G ./tmp/2140fa25-cf44-4ca0-b007-80c5c0446474_resources
    0G ./tmp/b5420b0d-174c-43bc-9e46-8dd9eddaa11d_resources
    0G ./tmp/scala-develhadoop
    0G ./tmp/Jetty_hadoop1_50090_secondary____.t2t9am_1829256356024612319
    1G ./tmp/pip-_hz_5gh0-unpack
    1G ./tmp/pip-hcbr693u-unpack
    1G ./tmp/pip-iug1xzfc-unpack
    0G ./tmp/Jetty_0_0_0_0_50075_datanode____hwtdwq_1368890986186795539
    0G ./tmp/Jetty_hadoop1_50090_secondary____.t2t9am_6376675854341615138
    0G ./tmp/Jetty_0_0_0_0_50075_datanode____hwtdwq_8459498440975771758
    0G ./tmp/Jetty_hadoop1_50090_secondary____.t2t9am_3647884605897976165
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08_3140729051062663585
    0G ./tmp/Jetty_hadoop1_50090_secondary____.t2t9am_4986171479208438516
    0G ./tmp/Jetty_0_0_0_0_50075_datanode____hwtdwq_2092284936592684225
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08_9008427800105805452
    0G ./tmp/Jetty_0_0_0_0_50075_datanode____hwtdwq_4534715308826349404
    0G ./tmp/Jetty_hadoop1_50090_secondary____.t2t9am_3440839642485507553
    0G ./tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08_4954559430973524569
    0G ./tmp/Jetty_0_0_0_0_50075_datanode____hwtdwq_2652299865454137536
    0G ./tmp/Jetty_hadoop1_50090_secondary____.t2t9am_521332338392228276
    0G ./tmp/Jetty_0_0_0_0_50075_datanode____hwtdwq_7916531522333623402
    0G ./tmp/Jetty_hadoop1_8088_cluster____.jtly5k
    0G ./tmp/Jetty_0_0_0_0_8042_node____19tj0x
    1G ./tmp
    1G ./var/lib
    1G ./var/log
    0G ./var/adm
    1G ./var/cache
    1G ./var/db
    0G ./var/empty
    0G ./var/games
    0G ./var/gopher
    0G ./var/local
    0G ./var/nis
    0G ./var/opt
    0G ./var/preserve
    1G ./var/spool
    1G ./var/tmp
    0G ./var/yp
    0G ./var/kerberos
    0G ./var/crash
    1G ./var
    1G ./usr/bin
    1G ./usr/sbin
    2G ./usr/lib
    1G ./usr/lib64
    1G ./usr/share
    0G ./usr/etc
    0G ./usr/games
    1G ./usr/include
    1G ./usr/libexec
    8G ./usr/local
    0G ./usr/src
    1G ./usr/hppa64-linux-gnu
    1G ./usr/s390x-linux-gnu
    1G ./usr/m68k-linux-gnu
    1G ./usr/powerpc64-linux-gnu
    1G ./usr/h8300-elf
    0G ./usr/h8300-linux-gnu
    1G ./usr/sh-linux-gnu
    1G ./usr/ia64-linux-gnu
    0G ./usr/c6x-linux-gnu
    1G ./usr/c6x-uclinux
    1G ./usr/sparc64-linux-gnu
    1G ./usr/aarch64-linux-gnu
    1G ./usr/alpha-linux-gnu
    1G ./usr/sh64-linux-elf
    0G ./usr/sh64-linux-gnu
    0G ./usr/tile-linux-gnu
    1G ./usr/tilegx-linux
    1G ./usr/avr-linux
    0G ./usr/avr32-linux-gnu
    1G ./usr/frv-linux-gnu
    1G ./usr/x86_64-linux-gnu
    0G ./usr/arm-linux-gnu
    1G ./usr/arm-linux-gnueabi
    0G ./usr/bfin-linux-gnu
    1G ./usr/bfin-uclinux
    1G ./usr/mips64-linux-gnu
    1G ./usr/cris-linux-gnu
    1G ./usr/microblaze-linux-gnu
    1G ./usr/am33_2.0-linux
    0G ./usr/mn10300-linux-gnu
    1G ./usr/hppa-linux-gnu
    1G ./usr/xtensa-linux-gnu
    1G ./usr/m32r-elf
    0G ./usr/m32r-linux-gnu
    1G ./usr/lcoal
    11G ./usr
    0G ./media
    1G ./mnt/mongodb_data_bak
    5G ./mnt/mongodb_data
    5G ./mnt
    0G ./opt
    0G ./srv
    2G ./data/db1
    1G ./data/db
    2G ./data
    0G ./data0/logs
    0G ./data0
    89G .
    [root@hadoop1 /]#

    [root@hadoop1 /]# du -BG  -s
    du: 无法访问"./proc/7100/task/7100/fd/4": 没有那个文件或目录
    du: 无法访问"./proc/7100/task/7100/fdinfo/4": 没有那个文件或目录
    du: 无法访问"./proc/7100/fd/4": 没有那个文件或目录
    du: 无法访问"./proc/7100/fdinfo/4": 没有那个文件或目录
    89G .
    您在 /var/spool/mail/root 中有新邮件
    [root@hadoop1 /]#

    root@hadoop1 /]# du --help
    用法:du [选项]... [文件]...
     或:du [选项]... --files0-from=F
    Summarize disk usage of each FILE, recursively for directories.

    Mandatory arguments to long options are mandatory for short options too.
      -0, --null            end each output line with 0 byte rather than newline
      -a, --all             write counts for all files, not just directories
          --apparent-size   print apparent sizes, rather than disk usage; although
                              the apparent size is usually smaller, it may be
                              larger due to holes in ('sparse') files, internal
                              fragmentation, indirect blocks, and the like
      -B, --block-size=SIZE  scale sizes by SIZE before printing them; e.g.,
                               '-BM' prints sizes in units of 1,048,576 bytes;
                               see SIZE format below
      -b, --bytes           equivalent to '--apparent-size --block-size=1'
      -c, --total           produce a grand total
      -D, --dereference-args  dereference only symlinks that are listed on the
                              command line
      -d, --max-depth=N     print the total for a directory (or file, with --all)
                              only if it is N or fewer levels below the command
                              line argument;  --max-depth=0 is the same as
                              --summarize
          --files0-from=F   summarize disk usage of the
                              NUL-terminated file names specified in file F;
                              if F is -, then read names from standard input
      -H                    equivalent to --dereference-args (-D)
      -h, --human-readable  print sizes in human readable format (e.g., 1K 234M 2G)
          --inodes          list inode usage information instead of block usage
      -k                    like --block-size=1K
      -L, --dereference     dereference all symbolic links
      -l, --count-links     count sizes many times if hard linked
      -m                    like --block-size=1M
      -P, --no-dereference  don't follow any symbolic links (this is the default)
      -S, --separate-dirs   for directories do not include size of subdirectories
          --si              like -h, but use powers of 1000 not 1024
      -s, --summarize       display only a total for each argument
      -t, --threshold=SIZE  exclude entries smaller than SIZE if positive,
                              or entries greater than SIZE if negative
          --time            show time of the last modification of any file in the
                              directory, or any of its subdirectories
          --time=WORD       show time as WORD instead of modification time:
                              atime, access, use, ctime or status
          --time-style=STYLE  show times using STYLE, which can be:
                                full-iso, long-iso, iso, or +FORMAT;
                                FORMAT is interpreted like in 'date'
      -X, --exclude-from=FILE  exclude files that match any pattern in FILE
          --exclude=PATTERN    exclude files that match PATTERN
      -x, --one-file-system    skip directories on different file systems
          --help  显示此帮助信息并退出
          --version  显示版本信息并退出

    所显示的数值是来自 --block-size、DU_BLOCK_SIZE、BLOCK_SIZE
    及 BLOCKSIZE 环境变量中第一个可用的 SIZE 单位。
    否则,默认单位是 1024 字节(或是 512,若设定 POSIXLY_CORRECT 的话)。

    SIZE is an integer and optional unit (example: 10M is 10*1024*1024).  Units
    are K, M, G, T, P, E, Z, Y (powers of 1024) or KB, MB, ... (powers of 1000).

    GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
    请向<http://translationproject.org/team/zh_CN.html> 报告du 的翻译错误
    要获取完整文档,请运行:info coreutils 'du invocation'
    [root@hadoop1 /]#

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  • 原文地址:https://www.cnblogs.com/rsapaper/p/8038123.html
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