.TH MKDIR 1 .SH NAME mkdir \- make a directory .SH SYNOPSIS .B mkdir dirname ... .SH DESCRIPTION .I Mkdir creates specified directories with mode 777. This mode may be affected by the user's .IR umask . See .IR csh (1). 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.