1.df命令可以顯示目前所有檔案系統的可用空間及使用情形
[1].Command:df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00 20G 4.1G 15G 23% /
/dev/mapper/VolGroup00-LogVol03 3.9G 638M 3.1G 17% /var
/dev/mapper/VolGroup00-LogVol02 2.0G 68M 1.8G 4% /tmp
/dev/cciss/c0d0p1 99M 22M 73M 23% /boot
/dev/mapper/VolGroup00-data 242G 124G 116G 52% /data0
tmpfs 4.0G 0 4.0G 0% /dev/shm
immdb2:9421 3.0T 503G 2.5T 17% /mnt/mfs
參數-h 表示使用「Human-readable」的輸出,也就是在檔案系統大小使用GB、MB 等易讀的格式。
2.查詢檔案或檔案夾的磁碟使用空間
[1].Command:du -h
該命令使用者統計檔案大小相加,在目前的目錄下各子目錄檔案相加的結果,形如
1.9G ./communication
180K ./file/2011-12-06
244K ./file
36K ./meeting/2011-12-06
44K ./meeting
1.2G ./action/2011-12-06
1.2G ./action
...
11G . . www.2cto.com
[2].Command:du -h [-path],擷取指定目錄下各子子目錄檔案相加的結果,形如
du -h ~
1.2G /u/imm/push/logs/2011-12-05
2.2G /u/imm/push/logs/2011-11-24
2.1G /u/imm/push/logs/2011-11-19
257M/u/imm/push/logs/2011-10-15
1.8G/u/imm/push/logs/2011-11-16
1.4G/u/imm/push/logs/2011-11-07
102G/u/imm
[3].Command:du -h [-path/*],擷取某指定目錄下各個檔案的大小,形如
du -h 2011-12-06/*.log
3.3M2011-12-06/job.2011-12-06-00-0.log
3.2M2011-12-06/job.2011-12-06-01-0.log
3.2M2011-12-06/job.2011-12-06-02-0.log
3.2M2011-12-06/job.2011-12-06-03-0.log
3.2M 2011-12-06/job.2011-12-06-04-0.log
3.2M 2011-12-06/job.2011-12-06-05-0.log
3.3M 2011-12-06/job.2011-12-06-06-0.log
3.3M 2011-12-06/job.2011-12-06-07-0.log
3.3M 2011-12-06/job.2011-12-06-08-0.log
摘自 在路上