Ubuntu

1. Utilizar las páginas man para encontrar los argumentos que admite la orden ls.

Mandatory arguments to long options are mandatory for short options
too.

-a, --all
do not ignore entries starting with .

-A, --almost-all
do not list implied . and ..

--author
with -l, print the author of each file-b, --escape
print octal escapes for nongraphic characters

--block-size=SIZE
use SIZE-byte blocks

-B, --ignore-backups
do not list implied entries ending with ~

-c with -lt: sort by, and show, ctime (time of last modification of
file status information) with -l: show ctime and sort by nameotherwise: sort by ctime

-C list entries by columns

--color[=WHEN]
control whether color is used to distinguish file types. WHEN
may be `never', `always', or `auto'

-d, --directory
list directory entries instead of contents, and do not derefer‐
ence symbolic links

-D, --diredgenerate output designed for Emacs' dired mode

-f do not sort, enable -aU, disable -ls --color

-F, --classify
append indicator (one of */=>@|) to entries

--file-type
likewise, except do not append `*'

--format=WORD
across -x, commas -m, horizontal -x, long -l, single-column -1,
verbose -l, vertical -C--full-time
like -l --time-style=full-iso

-g like -l, but do not list owner

--group-directories-first
group directories before files.

augment with a --sort option, but any use of --sort=none (-U)
disables grouping

-G, --no-group
in a long listing, don't print group names-h, --human-readable
with -l, print sizes in human readable format (e.g., 1K 234M 2G)

--si likewise, but use powers of 1000 not 1024

-H, --dereference-command-line
follow symbolic links listed on the command line

--dereference-command-line-symlink-to-dir
follow each command line symbolic link that points to a direc‐tory

--hide=PATTERN
do not list implied entries matching shell PATTERN (overridden
by -a or -A)

--indicator-style=WORD
append indicator with style WORD to entry names: none (default),
slash (-p), file-type (--file-type), classify (-F)

-i, --inode
print the index number of each file-I, --ignore=PATTERN
do not list implied entries matching shell PATTERN

-k like --block-size=1K

-l use a long listing format

-L, --dereference
when showing file information for a symbolic link, show informa‐
tion for the file the link references rather than for the link
itself

-m fillwidth with a comma separated list of entries

-n, --numeric-uid-gid
like -l, but list numeric user and group IDs

-N, --literal
print raw entry names (don't treat e.g. control characters spe‐
cially)

-o like -l, but do not list group information


-p, --indicator-style=slash
append / indicator todirectories

-q, --hide-control-chars
print ? instead of non graphic characters

--show-control-chars
show non graphic characters as-is (default unless program is
`ls' and output is a terminal)

-Q, --quote-name
enclose entry names in double quotes

--quoting-style=WORD
use quoting style...