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Operating Systems AIX What is the limitation in AIX? Post 302803833 by System Admin 77 on Tuesday 7th of May 2013 02:02:26 PM
Old 05-07-2013
IBM What is the limitation in AIX?

Hi All,

i got few questions...

1) What is the maximum number of files that we can save under a single directory in AIX ? (* we have enough storage/disk space)

2) And what is the maximum number of sub - directories in side a directory?
I know that...every directory is a (special) file...so if i get answer for my 1st qn....it will answer 2nd qn too. * correct me if i'm wrong

Any idea is highly appreciated.
 

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prealloc(1)						      General Commands Manual						       prealloc(1)

NAME
prealloc - preallocate disk storage SYNOPSIS
name size DESCRIPTION
preallocates at least size bytes of disk space for an ordinary file name, creating the file if name does not already exist. The space is allocated in an implementation-dependent fashion for fast sequential reads and writes of the file. fails and no disk space is allocated if name already exists and is not an ordinary file of zero length, if insufficient space is left on disk, or if size exceeds the maximum file size or the file size limit of the process (see ulimit(2)). The file is zero-filled. DIAGNOSTICS
returns one of the following values upon completion: 0 Successful completion. 1 name already exists and is not an ordinary file of zero length. 2 There is insufficient room on the disk. 3 size exceeds file size limits. EXAMPLES
The following example preallocates 50000 bytes for the file WARNINGS
Allocation of file space is highly dependent on current disk usage. A successful return does not indicate how fragmented the file actually might be if the disk is approaching its capacity. AUTHOR
was developed by HP. SEE ALSO
prealloc(2), ulimit(2). prealloc(1)
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