From d93fca6a7ab52f518d3e8aca1fc94139313b97ad Mon Sep 17 00:00:00 2001 From: rsc Date: Fri, 11 Feb 2005 19:21:47 +0000 Subject: new man pages --- man/man1/tar.1 | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 man/man1/tar.1 (limited to 'man/man1/tar.1') diff --git a/man/man1/tar.1 b/man/man1/tar.1 new file mode 100644 index 00000000..835957f3 --- /dev/null +++ b/man/man1/tar.1 @@ -0,0 +1,166 @@ +.TH TAR 1 +.SH NAME +tar \- archiver +.SH SYNOPSIS +.B tar +.I key +[ +.I file ... +] +.SH DESCRIPTION +.PP +.I Tar +saves and restores file trees. +It is most often used to transport a tree of files from one +system to another. +The +.I 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). +.PP +The function is one of the following letters: +.TP +.B c +Create a new archive with the given files as contents. +.TP +.B r +The named files +are appended to the archive. +.TP +.B t +List all occurrences of each +.I file +in the archive, or of all files if there are no +.I file +arguments. +.TP +.B 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 latest one wins. +.PP +The modifiers are: +.TP +.B f +Use the next argument as the name of the archive instead of +the default standard input (for keys +.B x +and +.BR t ) +or standard output (for keys +.B c +and +.BR r ). +.TP +.B g +Use the next (numeric) argument as the group id for files in +the output archive. +.TP +.B k +(keep) +Modifies the behavior of +.B x +not to extract files which already exist. +.TP +.B m +Do not set the modification time on extracted files. +This is the default behavior; the flag exists only for compatibility with other tars. +.TP +.B p +Create archive in POSIX ustar format, +which raises the maximum pathname length from 100 to 256 bytes. +Ustar archives are recognised automatically by +.I tar +when reading archives. +This is the default behavior; the flag exists only for backwards compatibility +with older versions of tar. +.TP +.B P +Do not generate the POSIX ustar format. +.TP +.B R +When extracting, ignore leading slash on file names, +i.e., extract all files relative to the current directory. +.TP +.B T +Modifies the behavior of +.B x +to set the modified time +of each file to that specified in the archive. +.TP +.B 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. +.TP +.B v +(verbose) +Print the name of each file treated +preceded by the function letter. +With +.BR t , +give more details about the +archive entries. +.TP +.B z +Operate on compressed tar archives. +The type of compression is inferred from the file name extension: +.IR gzip (1) +for +.B .tar.gz +and +.BR .tgz ; +.I bzip2 +(see +.IR gzip (1)) +for +.BR .tar.bz , +.BR .tbz , +.BR .tar.bz2 , +and +.BR .tbz2 ; +.I compress +(not distributed) +for +.B .tar.Z +and +.BR .tz . +If no extension matches, +.I gzip +is used. +The +.B z +flag is unnecessary (but allowed) when using the +.B t +and +.B x +verbs on archives with recognized extensions. +.SH EXAMPLES +.I Tar +can be used to copy hierarchies thus: +.IP +.EX +@{cd fromdir && tar cp .} | @{cd todir && tar xT} +.EE +.SH SOURCE +.B \*9/src/cmd/tar.c +.SH SEE ALSO +.IR ar (1), +.IR bundle (1) +.SH BUGS +There is no way to ask for any but the last +occurrence of a file. +.br +File path names are limited to +100 characters +(256 when using ustar format). +.br +The tar format allows specification of links and symbolic links, +concepts foreign to Plan 9: they are ignored. -- cgit v1.2.3