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1.1 root 1: .th DU I 1/20/73
2: .sh NAME
3: du \*- summarize disk usage
4: .sh SYNOPSIS
5: .bd du
6: [
7: .bd \*-s
8: ] [
9: .bd \*-a
10: ] [ name ... ]
11: .sh DESCRIPTION
12: .it Du
13: gives the number of blocks contained in all files
14: and (recursively) directories within each specified directory or
15: file
16: .it name.
17: If
18: .it name
19: is missing,
20: `\fB.\fR'
21: is used.
22: .s3
23: The optional argument
24: .bd \*-s
25: causes only the grand total to
26: be given.
27: The optional argument
28: .bd \*-a
29: causes an entry to be generated
30: for each file.
31: Absence of either causes an entry to be generated for
32: each directory only.
33: .s3
34: A file which has two links to it is only counted once.
35: .sh BUGS
36: Non-directories
37: given as arguments (not under
38: .bd \*-a
39: option) are not listed.
40: .s3
41: Removable
42: file systems do not work correctly
43: since i-numbers may be repeated while the corresponding
44: files are distinct.
45: .it Du
46: should maintain an i-number list per root directory
47: encountered.
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