1 9ddaf4ab 2023-04-08 benni .\" Copyright (c) 2023 Benjamin Stürz <benni@stuerz.xyz>
3 9ddaf4ab 2023-04-08 benni .\" Permission to use, copy, modify, and distribute this software for any
4 9ddaf4ab 2023-04-08 benni .\" purpose with or without fee is hereby granted, provided that the above
5 9ddaf4ab 2023-04-08 benni .\" copyright notice and this permission notice appear in all copies.
7 9ddaf4ab 2023-04-08 benni .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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10 9ddaf4ab 2023-04-08 benni .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 9ddaf4ab 2023-04-08 benni .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
12 9ddaf4ab 2023-04-08 benni .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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14 5691dc7b 2023-05-05 benni .TH LSBLK 8 lsblk-@VERSION@ 2023-05-05
16 33bf1ca4 2023-04-08 benni lsblk \- list block devices
17 33bf1ca4 2023-04-08 benni .SH SYNOPSIS
19 1678d261 2023-05-15 benni [\fB-abinUuV\fR]
20 5691dc7b 2023-05-05 benni [\fIdisk ...\fR]
21 33bf1ca4 2023-04-08 benni .SH DESCRIPTION
24 b78f9b30 2023-04-08 benni utility can be used to examine block devices attached to the system.
27 5691dc7b 2023-05-05 benni operands it lists the specified devices.
28 5691dc7b 2023-05-05 benni Otherwise it lists all attached block devices.
29 fc7d38e3 2023-04-08 benni .SH OPTIONS
32 9c5d8ecc 2023-05-02 benni prints version information to stdout, then exit.
35 bf0e6461 2023-05-02 benni print all fields.
38 1678d261 2023-05-15 benni don't scan for RAID volumes using
39 1678d261 2023-05-15 benni .BR bio (4) .
42 0c961f7d 2023-05-04 benni don't print fancy unicode characters, only print ASCII.
45 8380cc51 2023-05-01 benni don't print the header.
48 1115ad3a 2023-05-05 benni also print the disklabel UID.
51 9c5d8ecc 2023-05-02 benni also print the filesystem usage of each partition
52 9c5d8ecc 2023-05-02 benni and the disklabel usage of each disk.
54 5691dc7b 2023-05-05 benni Note: The disklabel usage is calculated by
55 5691dc7b 2023-05-05 benni summing the size of all (except "c") partitions.
57 1115ad3a 2023-05-05 benni Note 2: lsblk shows the total amount of free space,
58 1115ad3a 2023-05-05 benni including space reserved for /root.
60 5691dc7b 2023-05-05 benni .SH EXIT STATUS
63 5691dc7b 2023-05-05 benni utility exits 0 on success, and >0 if an error occurs.
65 5691dc7b 2023-05-05 benni .SH EXAMPLES
66 5691dc7b 2023-05-05 benni The following line lists all block devices:
72 5691dc7b 2023-05-05 benni The following line lists all fields of sd0:
75 5691dc7b 2023-05-05 benni lsblk -a sd0
79 1678d261 2023-05-15 benni Explain the exact meaning of every field.
81 33bf1ca4 2023-04-08 benni .SH SEE ALSO
82 9c5d8ecc 2023-05-02 benni .BR disklabel (8) ,
83 1678d261 2023-05-15 benni .BR bio (4) ,
86 5691dc7b 2023-05-05 benni .SH HISTORY
88 5691dc7b 2023-05-05 benni .B lsblk(8)
89 5691dc7b 2023-05-05 benni utility was originally written by the
90 5691dc7b 2023-05-05 benni .B util-linux
93 5691dc7b 2023-05-05 benni .I incompatible
94 5691dc7b 2023-05-05 benni clone of the original \fBlsblk\fR.
95 5691dc7b 2023-05-05 benni It is incompatible because it doesn't support
96 5691dc7b 2023-05-05 benni the same set of options as the original
97 5691dc7b 2023-05-05 benni and because of differences in the output.
98 5691dc7b 2023-05-05 benni More incompatibilities are caused by specific features only being available
99 5691dc7b 2023-05-05 benni on either Linux or OpenBSD.