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df -hl 查看磁盘剩余空间
du -sm 文件夹
返回该文件夹总M数
更多功能查看:
df --help
du --help
du --help
用法:du [选项]... [文件]...
总结每个的磁盘用量,目录则取总用量。
长选项必须用的参数在使用短选项时也是必须的。
-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 use SIZE-byte blocks
-b,
--bytes
equivalent to `--apparent-size --block-size=1'
-c,
--total
produce a grand total
-D, --dereference-args
dereference FILEs that are symbolic links
-H
like --si, but also evokes a warning; will soon
change to be equivalent to --dereference-args (-D)
-h,
--human-readable print sizes in human readable
format (e.g., 1K 234M 2G)
--si
like -h, but use powers of 1000 not 1024
-k
like --block-size=1K
-l,
--count-links
count sizes many times if hard linked
-L,
--dereference
dereference all symbolic links
-P, --no-dereference don't
follow any symbolic links (this is the default)
-0,
--null
end each output line with 0 byte rather than newline
-S,
--separate-dirs do not include
size of subdirectories
-s,
--summarize
display only a total for each argument
-x, --one-file-system skip
directories on different filesystems
-X FILE, --exclude-from=FILE
Exclude files that match any pattern in FILE.
--exclude=PATTERN Exclude files that match PATTERN.
--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
--help
显示此帮助信息并离开
--version 显示版本信息并离开
eg: du -smh oracle
54G
//显示oracle文件夹的大小为54G
CPU.和内存情况:
top
free
本文来自ChinaUnix博客,如果查看原文请点:http://blog.chinaunix.net/u2/84443/showart_1923030.html |
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