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-rw-r--r--usr/src/man/man1/tar.113
1 files changed, 12 insertions, 1 deletions
diff --git a/usr/src/man/man1/tar.1 b/usr/src/man/man1/tar.1
index d7d0b773c3..fd21f6c53c 100644
--- a/usr/src/man/man1/tar.1
+++ b/usr/src/man/man1/tar.1
@@ -16,7 +16,7 @@ tar \- create tape archives and add or extract files
.SH SYNOPSIS
.LP
.nf
-\fBtar\fR c[BDeEFhilnopPqTvw@/[0-7]][bfk][X...][j|J|z|Z] [\fIblocksize\fR]
+\fBtar\fR c[BDeEFhilnopPqTvw@/[0-7]][bfk][X...][a|j|J|z|Z] [\fIblocksize\fR]
[\fItarfile\fR] [\fIsize\fR] [\fIexclude-file\fR]...
{\fIfile\fR | \(miI \fIinclude-file\fR | \(miC \fIdirectory\fR \fIfile\fR}...
.fi
@@ -242,6 +242,17 @@ the desired function.
.sp
.ne 2
.na
+\fB\fBa\fR\fR
+.ad
+.sp .6
+.RS 4n
+During a \fBcreate\fR operation autodetect compression based on the archive
+suffix.
+.RE
+
+.sp
+.ne 2
+.na
\fB\fBb\fR \fIblocksize\fR\fR
.ad
.sp .6