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doc: added details about statfs.type and statfs.bsize#51301

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98 changes: 96 additions & 2 deletions doc/api/fs.md
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Expand Up@@ -7532,7 +7532,7 @@ added:

* {number|bigint}

Optimal transfer block size.
Optimal transfer block size in bytes.

#### `statfs.ffree`

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* {number|bigint}

Type of file system.
Magic number of file system in decimal.

@aduh95aduh95May 17, 2024•
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It's not in decimal, it's just.. a number (if anything it's in binary, or IEEE 754).

Suggested change
Magic number of file system in decimal.
Magic number of file system.


The magic number of a file system is commonly referred to in hexadecimal.

<details>
<summary>Magic Numbers</summary>

| Filesystem Type | Hexadecimal | Decimal |
| ----------------------- | ------------ | ------------ |
| ADFS\_SUPER\_MAGIC | `0xadf5` | `44533` |

@aduh95aduh95May 17, 2024

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nit: it would be more readable to wrap those in ticks

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|ADFS\_SUPER\_MAGIC|`0xadf5`|`44533`|
|`ADFS_SUPER_MAGIC`|`0xadf5`|`44533`|

| AFFS\_SUPER\_MAGIC | `0xadff` | `44543` |
| AFS\_SUPER\_MAGIC | `0x5346414f` | `1397113167` |
| ANON\_INODE\_FS\_MAGIC | `0x09041934` | `151263540` |
| AUTOFS\_SUPER\_MAGIC | `0x0187` | `391` |
| BDEVFS\_MAGIC | `0x62646576` | `1650746742` |
| BEFS\_SUPER\_MAGIC | `0x42465331` | `1111905073` |
| BFS\_MAGIC | `0x1badface` | `464386766` |
| BINFMTFS\_MAGIC | `0x42494e4d` | `1112100429` |
| BPF\_FS\_MAGIC | `0xcafe4a11` | `3405662737` |
| BTRFS\_SUPER\_MAGIC | `0x9123683e` | `2435016766` |
| BTRFS\_TEST\_MAGIC | `0x73727279` | `1936880249` |
| CGROUP\_SUPER\_MAGIC | `0x27e0eb` | `2613483` |
| CGROUP2\_SUPER\_MAGIC | `0x63677270` | `1667723888` |
| CIFS\_MAGIC\_NUMBER | `0xff534d42` | `4283649346` |
| CODA\_SUPER\_MAGIC | `0x73757245` | `1937076805` |
| COH\_SUPER\_MAGIC | `0x012ff7b7` | `19920823` |
| CRAMFS\_MAGIC | `0x28cd3d45` | `684539205` |
| DEBUGFS\_MAGIC | `0x64626720` | `1684170528` |
| DEVFS\_SUPER\_MAGIC | `0x1373` | `4979` |
| DEVPTS\_SUPER\_MAGIC | `0x1cd1` | `7377` |
| ECRYPTFS\_SUPER\_MAGIC | `0xf15f` | `61791` |
| EFIVARFS\_MAGIC | `0xde5e81e4` | `3730735588` |
| EFS\_SUPER\_MAGIC | `0x00414a53` | `4278867` |
| EXT\_SUPER\_MAGIC | `0x137d` | `4989` |
| EXT2\_OLD\_SUPER\_MAGIC | `0xef51` | `61265` |
| EXT2\_SUPER\_MAGIC | `0xef53` | `61267` |
| EXT3\_SUPER\_MAGIC | `0xef53` | `61267` |
| EXT4\_SUPER\_MAGIC | `0xef53` | `61267` |
| F2FS\_SUPER\_MAGIC | `0xf2f52010` | `4076150800` |
| FUSE\_SUPER\_MAGIC | `0x65735546` | `1702057286` |
| FUTEXFS\_SUPER\_MAGIC | `0xbad1dea` | `195894762` |
| HFS\_SUPER\_MAGIC | `0x4244` | `16964` |
| HOSTFS\_SUPER\_MAGIC | `0x00c0ffee` | `12648430` |
| HPFS\_SUPER\_MAGIC | `0xf995e849` | `4187351113` |
| HUGETLBFS\_MAGIC | `0x958458f6` | `2508478710` |
| ISOFS\_SUPER\_MAGIC | `0x9660` | `38496` |
| JFFS2\_SUPER\_MAGIC | `0x72b6` | `29366` |
| JFS\_SUPER\_MAGIC | `0x3153464a` | `827541066` |
| MINIX\_SUPER\_MAGIC | `0x137f` | `4991` |
| MINIX\_SUPER\_MAGIC2 | `0x138f` | `5007` |
| MINIX2\_SUPER\_MAGIC | `0x2468` | `9320` |
| MINIX2\_SUPER\_MAGIC2 | `0x2478` | `9336` |
| MINIX3\_SUPER\_MAGIC | `0x4d5a` | `19802` |
| MQUEUE\_MAGIC | `0x19800202` | `427819522` |
| MSDOS\_SUPER\_MAGIC | `0x4d44` | `19780` |
| MTD\_INODE\_FS\_MAGIC | `0x11307854` | `288389204` |
| NCP\_SUPER\_MAGIC | `0x564c` | `22092` |
| NFS\_SUPER\_MAGIC | `0x6969` | `26985` |
| NILFS\_SUPER\_MAGIC | `0x3434` | `13364` |
| NSFS\_MAGIC | `0x6e736673` | `1853056627` |
| NTFS\_SB\_MAGIC | `0x5346544e` | `1397118030` |
| OCFS2\_SUPER\_MAGIC | `0x7461636f` | `1952539503` |
| OPENPROM\_SUPER\_MAGIC | `0x9fa1` | `40865` |
| OVERLAYFS\_SUPER\_MAGIC | `0x794c7630` | `2035054128` |
| PIPEFS\_MAGIC | `0x50495045` | `1346981957` |
| PROC\_SUPER\_MAGIC | `0x9fa0` | `40864` |
| PSTOREFS\_MAGIC | `0x6165676c` | `1634035564` |
| QNX4\_SUPER\_MAGIC | `0x002f` | `47` |
| QNX6\_SUPER\_MAGIC | `0x68191122` | `1746473250` |
| RAMFS\_MAGIC | `0x858458f6` | `2240043254` |
| REISERFS\_SUPER\_MAGIC | `0x52654973` | `1382369651` |
| ROMFS\_MAGIC | `0x7275` | `29301` |
| SECURITYFS\_MAGIC | `0x73636673` | `1935894131` |
| SELINUX\_MAGIC | `0xf97cff8c` | `4185718668` |
| SMACK\_MAGIC | `0x43415d53` | `1128357203` |
| SMB\_SUPER\_MAGIC | `0x517b` | `20859` |
| SMB2\_MAGIC\_NUMBER | `0xfe534d42` | `4266872130` |
| SOCKFS\_MAGIC | `0x534f434b` | `1397703499` |
| SQUASHFS\_MAGIC | `0x73717368` | `1936814952` |
| SYSFS\_MAGIC | `0x62656572` | `1650812274` |
| SYSV2\_SUPER\_MAGIC | `0x012ff7b6` | `19920822` |
| SYSV4\_SUPER\_MAGIC | `0x012ff7b5` | `19920821` |
| TMPFS\_MAGIC | `0x01021994` | `16914836` |
| TRACEFS\_MAGIC | `0x74726163` | `1953653091` |
| UDF\_SUPER\_MAGIC | `0x15013346` | `352400198` |
| UFS\_MAGIC | `0x00011954` | `72020` |
| USBDEVICE\_SUPER\_MAGIC | `0x9fa2` | `40866` |
| V9FS\_MAGIC | `0x01021997` | `16914839` |
| VXFS\_SUPER\_MAGIC | `0xa501fcf5` | `2768370933` |
| XENFS\_SUPER\_MAGIC | `0xabba1974` | `2881100148` |
| XENIX\_SUPER\_MAGIC | `0x012ff7b4` | `19920820` |
| XFS\_SUPER\_MAGIC | `0x58465342` | `1481003842` |
| \_XIAFS\_SUPER\_MAGIC | `0x012fd16d` | `19911021` |

</details>
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### Class: `fs.WriteStream`

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