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| author | Leah Neukirchen <leah@vuxu.org> | 2017-08-21 17:57:54 +0200 |
|---|---|---|
| committer | Leah Neukirchen <leah@vuxu.org> | 2017-08-21 17:57:54 +0200 |
| commit | b5803897df7792d3137e8050ef3c3fb96288d24a (patch) | |
| tree | 6ea0a895545c5473f8b9e878ecce7ea9891f3893 /holes.1 | |
| download | holes-b5803897df7792d3137e8050ef3c3fb96288d24a.tar.gz holes-b5803897df7792d3137e8050ef3c3fb96288d24a.tar.xz holes-b5803897df7792d3137e8050ef3c3fb96288d24a.zip | |
initial commit of holes
Diffstat (limited to 'holes.1')
| -rw-r--r-- | holes.1 | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/holes.1 b/holes.1 new file mode 100644 index 0000000..6d24b08 --- /dev/null +++ b/holes.1 @@ -0,0 +1,43 @@ +.Dd August 21, 2017 +.Dt HOLES 1 +.Os +.Sh NAME +.Nm holes +.Nd find runs of zero bytes +.Sh SYNOPSIS +.Nm +.Op Fl n Ar minlen +.Op Ar files\ ... +.Sh DESCRIPTION +.Nm +looks for runs of zero bytes (a.k.a. holes) in the specified input files +(or the standard input), +and prints the start adresses (in hexadecimal) +as well as the lengths (in decimal). +When multiple input files are specified, +.Nm +prefixes each line with the file name. +.Pp +By default, +only holes of at least 64 bytes are reported. +This can be changed using the +.Fl n +option. +.Sh EXIT STATUS +.Ex -std +.Sh SEE ALSO +.Xr fallocate 1 , +.Xr truncate 1 , +.Xr virt-sparsify 1 +.Sh AUTHORS +.An Leah Neukirchen Aq Mt leah@vuxu.org +.Sh LICENSE +.Nm +is in the public domain. +.Pp +To the extent possible under law, +the creator of this work +has waived all copyright and related or +neighboring rights to this work. +.Pp +.Lk http://creativecommons.org/publicdomain/zero/1.0/ |