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33eb0b9e SG |
1 | .. SPDX-License-Identifier: GPL-2.0+: |
2 | ||
60971e63 HS |
3 | .. index:: |
4 | single: history (command) | |
5 | ||
33eb0b9e SG |
6 | history command |
7 | =============== | |
8 | ||
98b5ea18 HS |
9 | Synopsis |
10 | -------- | |
33eb0b9e SG |
11 | |
12 | :: | |
13 | ||
14 | history | |
15 | ||
16 | Description | |
17 | ----------- | |
18 | ||
19 | The *history* command shows a list of previously entered commands on the | |
20 | command line. When U-Boot starts, this it is initially empty. Each new command | |
21 | entered is added to the list. | |
22 | ||
23 | Normally these commands can be accessed by pressing the `up arrow` and | |
24 | `down arrow` keys, which cycle through the list. The `history` command provides | |
25 | a simple way to view the list. | |
26 | ||
27 | Example | |
28 | ------- | |
29 | ||
30 | This example shows entering three commands, then `history`. Note that `history` | |
31 | itself is added to the list. | |
32 | ||
33 | :: | |
34 | ||
35 | => bootflow scan -l | |
36 | Scanning for bootflows in all bootdevs | |
37 | Seq Method State Uclass Part Name Filename | |
38 | --- ----------- ------ -------- ---- ------------------------ ---------------- | |
39 | Scanning global bootmeth 'firmware0': | |
40 | Hunting with: simple_bus | |
41 | Found 2 extension board(s). | |
42 | Scanning bootdev 'mmc2.bootdev': | |
43 | Scanning bootdev 'mmc1.bootdev': | |
44 | 0 extlinux ready mmc 1 mmc1.bootdev.part_1 /extlinux/extlinux.conf | |
45 | No more bootdevs | |
46 | --- ----------- ------ -------- ---- ------------------------ ---------------- | |
47 | (1 bootflow, 1 valid) | |
48 | => bootflow select 0 | |
49 | => bootflow info | |
50 | Name: mmc1.bootdev.part_1 | |
51 | Device: mmc1.bootdev | |
52 | Block dev: mmc1.blk | |
53 | Method: extlinux | |
54 | State: ready | |
55 | Partition: 1 | |
56 | Subdir: (none) | |
57 | Filename: /extlinux/extlinux.conf | |
58 | Buffer: aebdea0 | |
59 | Size: 253 (595 bytes) | |
60 | OS: Fedora-Workstation-armhfp-31-1.9 (5.3.7-301.fc31.armv7hl) | |
61 | Cmdline: (none) | |
62 | Logo: (none) | |
63 | FDT: <NULL> | |
64 | Error: 0 | |
65 | => history | |
66 | bootflow scan -l | |
67 | bootflow select 0 | |
68 | bootflow info | |
69 | history | |
70 | => |