touch.1

Unix操作系统minix 2.0源码

.TH TOUCH 1
.SH NAME
touch \- update a file's time of last modification
.SH SYNOPSIS
\fBtouch\fR [\fB\-c\fR] \fIfile\fR ...\fR
.br
.de FL
.TP
\\fB\\$1\\fR
\\$2
..
.de EX
.TP 20
\\fB\\$1\\fR
# \\$2
..
.SH OPTIONS
.FL "\-c" "Do not create the file"
.SH EXAMPLES
.EX "touch *.h" "Make the \fI.h\fP files look recent"
.SH DESCRIPTION
############ NEXT ENTRY HAS NOT BEEN CHECKED #############
.PP
The time of last modification is set to the current time.
This command is mostly used to trick
.I make
into thinking that a file is more recent than it really is.
If the file being touched does not exist, it is created, unless the \fB\-c\fR
flag is present.
.SH "SEE ALSO"
.BR utime (2).