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tapefs(1) [plan9 man page]

TAPEFS(1)						      General Commands Manual							 TAPEFS(1)

32vfs, cpiofs, tapfs, tarfs, tpfs, v6fs, v10fs - mount archival file systems SYNOPSIS
fs/32vfs [ -m mountpoint ] [ -p passwd ] [ -g group ] file fs/cpiofs fs/tapfs fs/tarfs fs/tpfs fs/v6fs fs/v10fs DESCRIPTION
These commands interpret data from traditional tape or file system formats stored in file, and mount their contents (read-only) into a Plan 9 file system. The optional -p and -g flags specify Unix-format password (respectively group) files that give the mapping between the numeric user- and group-ID numbers on the media and the strings reported by Plan 9 status inquiries. The -m flag introduces the name at which the new file system should be attached; the default is /n/tapefs. 32vfs interprets raw disk images of 32V systems, which are ca. 1978 research Unix systems for the VAX, and also pre-FFS Berkeley VAX sys- tems (1KB block size). Cpiofs interprets cpio tape images (constructed with cpio's c flag). Tarfs interprets tar tape images. Tpfs interprets tp tapes from the Fifth through Seventh Edition research Unix systems. Tapfs interprets tap tapes from the pre-Fifth Edition era. V6fs interprets disk images from the Fifth and Sixth edition research Unix systems (512B block size). V10fs interprets disk images from the Tenth Edition research Unix systems (4KB block size). SOURCE
These commands are constructed in a highly stereotyped way using the files fs.c and util.c in /sys/src/cmd/tapefs, which in turn derive substantially from ramfs(4). SEE ALSO
Section 5 passim, ramfs(4). TAPEFS(1)

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TAR(1)							      General Commands Manual							    TAR(1)

tar - archiver SYNOPSIS
tar key [ file ... ] DESCRIPTION
Tar saves and restores file trees. It is most often used to transport a tree of files from one system to another. The key is a string that contains at most one function letter plus optional modifiers. Other arguments to the command are names of files or directories to be dumped or restored. A directory name implies all the contained files and subdirectories (recursively). The function is one of the following letters: c Create a new archive with the given files as contents. x Extract the named files from the archive. If a file is a directory, the directory is extracted recursively. Modes are restored if possible. If no file argument is given, extract the entire archive. If the archive contains multiple entries for a file, the lat- est one wins. t List all occurrences of each file in the archive, or of all files if there are no file arguments. r The named files are appended to the archive. The modifiers are: v (verbose) Print the name of each file treated preceded by the function letter. With t, give more details about the archive entries. f Use the next argument as the name of the archive instead of the default standard input (for keys x and t) or standard output (for keys c and r). u Use the next (numeric) argument as the user id for files in the output archive. This is only useful when moving files to a non-Plan 9 system. g Use the next (numeric) argument as the group id for files in the output archive. EXAMPLES
Tar can be used to copy hierarchies thus: {cd fromdir; tar c .} | {cd todir; tar x} SOURCE
/sys/src/cmd/tar.c SEE ALSO
ar(1), bundle(1), tapefs(1) BUGS
There is no way to ask for any but the last occurrence of a file. File path names are limited to 100 characters. The tar format allows specification of links and symbolic links, concepts foreign to Plan 9: they are ignored. TAR(1)
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