touch.1

Linux下文件工具。

.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.28.
.TH TOUCH "1" "July 2002" "touch (fileutils) 4.1.10" "User Commands"
.SH NAME
touch \- change file timestamps
.SH SYNOPSIS
.B touch
[\fIOPTION\fR]... \fIFILE\fR...
.SH DESCRIPTION
.\" Add any additional description here
.PP
Update the access and modification times of each FILE to the current time.
.PP
Mandatory arguments to long options are mandatory for short options too.
.TP
\fB\-a\fR
change only the access time
.TP
\fB\-c\fR, \fB\-\-no\-create\fR
do not create any files
.TP
\fB\-d\fR, \fB\-\-date\fR=\fISTRING\fR
parse STRING and use it instead of current time
.TP
\fB\-f\fR
(ignored)
.TP
\fB\-m\fR
change only the modification time
.TP
\fB\-r\fR, \fB\-\-reference\fR=\fIFILE\fR
use this file's times instead of current time
.TP
\fB\-t\fR STAMP
use [[CC]YY]MMDDhhmm[.ss] instead of current time
.TP
\fB\-\-time\fR=\fIWORD\fR
set time given by WORD: access atime use (same as \fB\-a\fR)
modify mtime (same as \fB\-m\fR)
.TP
\fB\-\-help\fR
display this help and exit
.TP
\fB\-\-version\fR
output version information and exit
.PP
Note that the \fB\-d\fR and \fB\-t\fR options accept different time-date formats.
.SH AUTHOR
Written by Paul Rubin, Arnold Robbins, Jim Kingdon, David MacKenzie, and Randy Smith.
.SH "REPORTING BUGS"
Report bugs to <[e-mail]>.
.SH COPYRIGHT
Copyright \(co 2002 Free Software Foundation, Inc.
.br
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
.SH "SEE ALSO"
The full documentation for
.B touch
is maintained as a Texinfo manual.  If the
.B info
and
.B touch
programs are properly installed at your site, the command
.IP
.B info touch
.PP
should give you access to the complete manual.