usr/man/man1/mkdir.1

.TH MKDIR 1
.SH NAME
mkdir \- make a directory
.SH SYNOPSIS
.B mkdir
dirname ...
.SH DESCRIPTION
.I Mkdir
creates specified directories
in mode 777.
Standard entries,
.RB ` . ',
for the directory itself,
and
.BR ` .. '
for its parent, are made automatically.
.PP
.I Mkdir
requires write permission in the parent directory.
.SH "SEE ALSO"
rm(1)
.SH DIAGNOSTICS
.I Mkdir
returns exit code 0 if all directories were successfully made.
Otherwise it prints a diagnostic and returns nonzero.