* Operating on sorted files:: sort uniq comm ptx tsort
* Operating on fields within a line:: cut paste join
* Operating on characters:: tr expand unexpand
-* Directory listing:: ls dir vdir d v dircolors
+* Directory listing:: ls dir vdir dircolors
* Basic operations:: cp dd install mv rm shred
* Special file types:: ln mkdir rmdir mkfifo mknod
* Changing file attributes:: chgrp chmod chown touch
@opindex vertical @r{sorted files in columns}
List files in columns, sorted vertically. This is the default for
@command{ls} if standard output is a terminal. It is always the default
-for the @command{dir} and @command{d} programs.
+for the @command{dir} program.
@sc{gnu} @command{ls} uses variable width columns to display as many files as
possible in the fewest lines.
@pindex dir
@cindex directory listing, brief
-@command{dir} (also installed as @command{d}) is equivalent to @code{ls -C
+@command{dir} is equivalent to @code{ls -C
-b}; that is, by default files are listed in columns, sorted vertically,
and special characters are represented by backslash escape sequences.
@pindex vdir
@cindex directory listing, verbose
-@command{vdir} (also installed as @command{v}) is equivalent to @code{ls -l
+@command{vdir} is equivalent to @code{ls -l
-b}; that is, by default files are listed in long format and special
characters are represented by backslash escape sequences.