The ls command lists the contents of a directory.

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3
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3answers
14k views

How to display “human-readable” file sizes in find results?

I'm trying to find all large files on my Centos server. To do that I'm using: find / -maxdepth 10 -size +100000 -ls I tried changing -ls to -lsh but it is not allowed. How can I display these ...
5
votes
3answers
703 views

ls --color: how to color executable hard links?

I created some hardlinks on an NTFS drive, but because of that, they are all executable and colored as executable instead of as hardlinks (regular file with more than one link). I did a test on my ...
5
votes
3answers
15k views

How do I find the inode of any directory?

There is literally nothing on google that I can find that will help me answer this question. I presume it is passing some other parameter to ls -i?
3
votes
3answers
814 views

Why do ls and hexdump disagree about my file size?

I have a file I created (in vim), for testing purposes (testing UTF-8 output in an SSH client). Odd things, however, are happening to this file. I wondered what bytes were in the file, so I used ...
1
vote
2answers
377 views

File not displayed using vi but visible with command ls -l CD*

I can do an ls -l CD* and see the following output. CDTEST userA RW RW R I am logged in as userA. But if I do an ls -l the file does not appear. If I do vi CDTEST it tries to create a new file ...
7
votes
2answers
559 views

Symbol that will show up first in output of `ls`?

I want a folder called DELETED to be first in my output of ls. Is there a symbol I can add to the front that can cause this? I've tried ^ and - and neither works.
1
vote
2answers
333 views

difference between “ls –alR /” and “ls –alR / &”? [duplicate]

What is the difference between "ls –alR /" and "ls –alR / &"? I seem to get the same out put. but the & sign i think should run it in background?
1
vote
1answer
36 views

“ls -lH” not following the link but “ls -lH linktofile” following it

In a directory there is a link to some other file in some other directory. If I give ls -lHh command with no arguments, ls does not resolves the symbolic link but if I give ls -lHh * or ls -...
37
votes
4answers
21k views

The ls command is not working for a directory with a huge number of files

I had a directory which had around 5 million files. When I tried to run the ls command from inside this directory, my system consumed a huge amount of memory and it hung after sometime. Is there an ...
0
votes
1answer
81 views

Is it possible to have total no. of blocks taken by same files be different on two PCs? [closed]

I used ls -l mysoftware/ on two different machines, each running ubuntu 12.04. But the 'total' returned by this command is different on the two machines. On one machine it is printing 6, and on ...
6
votes
2answers
684 views

Why “ls” doesnt show the file that “find” discovered ?

(New to unix) In ubuntu When I am up in "/" folder i type sudo find . -name .erlang.cookie and the result is ./var/lib/rabbitmq/.erlang.cookie then when I am on the folder - /var/lib/rabbitmq ...
4
votes
3answers
947 views

What does 'l' in file metadata mean

When we type ls -l, we get meta data regarding all the objects in the current directory. The meta data has 10 dashes and the 1st dash indicates if the object is a directory or file or a link d ...
5
votes
4answers
5k views

maximum number of files ls can list [duplicate]

Im using a script to delete old file in a directory, but the script kept showing /usr/bin : Argument list too long It turned out the number of files were 40000 and more, So I want to know what is ...
1
vote
1answer
309 views

Understanding ls -l output

When I run ls -lrt command on a Unix folder , I get the following output MyServer> ls -lrt total 10 drwxr-x--- 3 UnixUser other 512 Jul 22 2011 FolderA lrwxrwxrwx 1 UnixUser other ...
5
votes
2answers
909 views

ls for cut -f string not working

I have a problem with feeding cut output to ls. This doesn't work: rep="S1_1000,0000-00-00c,0000-00-00d,0000-00-00e" ls tab_yeast/{`echo $rep | cut -f2- -d','`}*.tab.gz ls: cannot access ...
1
vote
1answer
301 views

Linux ls wrong date format

I try to find why when I do the command ls or whatever ls -la the column format is wrong with date. It should be like that: -rw-r--r-- 1 johndoe johndoe 55 janv. 26 2011 not like that : ...
2
votes
2answers
302 views

Very strange ls > textfile problem when viewing with emacs

I want to list the components of the current working directory in a text file ls -1 > textfile Output looks fine with more. 1010661085645 1010729039145 1010747080245 1010849051345 ...
0
votes
1answer
1k views

ls: show file size with thousand separator [duplicate]

Is there some simple way to make ls display the file size number with thousand (and million, billion, ...) separator? A sample output should look like this: $ ls -lAF /bin/ -rwxr-xr-x 1 root root 975,...
0
votes
3answers
10k views

Use of ls with wc command

What does the command : ls | wc -l do? I know wc <filename> gives lines, words, and characters, and wc -l <filename> print the line count. But how it is being used with ls` ...
24
votes
2answers
2k views

Is there a reason why ls does not have a --zero or -0 option

This question was prompted by questions about ls' -1 option and the recurring tendency of people to ask question and answers that includes processing the output of ls. This reuse of the output ls ...
11
votes
3answers
8k views

Where is “showing the output of the 'ls' command vertically” documented?

I found out it's possible to show the output of the ls command vertically using the -1 switch: $ ls -1 But couldn't find it in the manual of ls. Is it a secret option?
1
vote
1answer
185 views

Display full ISO time in OSF1

I am working on an HP OSF1 (Tru64) based server and need to display file listings with the full-iso time format style. Example of this in Ubuntu Linux, user@hostname:~/Desktop$ ls -lrt --full-time ...
5
votes
1answer
2k views

ls -l --group-directories-first (act on symlinks as well)

ls option --group-directories-first causes directories to be listed on the top, which makes the output of ls nice and clean: ls -l --group-directories-first However, it does not act on symlinks, ...
10
votes
1answer
374 views

Include colouring in GNU ls time-style

I know, I can specify custom time format for ls like this ls -lAF --time-style="+ %Y-%b-%d %H:%M:%S" --color=always but I would like to "smuggle in" colors inside the time format. For example, I ...
2
votes
3answers
4k views

Count number of characters per listed filename

Given the following ls result: $ ls Desktop Documents Downloads Music Pictures Public Templates Videos This will give the total number of characters for all files: $ ls | wc -m 67 But how ...
4
votes
3answers
645 views

Preserving color output with cut

Using bash interactively I am trying to use cut to prevent the lines from going longer than my terminal width. But when using a command with colorized output all the color gets removed by cut. For ...
12
votes
6answers
2k views

Why does “ls” require a separate process for executing?

Why does ls require a separate process for its execution? I know the reason why commands like cd can't be executed by forking mechanism but is there any harm if ls is executed without forking?
3
votes
2answers
810 views

dot instead of comma as thousand separator

I read about --blocksize for ls to get a thousands separator. However my computer gives me dot (.) and not comma (,): $ ls -l --block-size="'1" total 11.893.190.656 -rw------- 1 carlah users 1.081....
5
votes
1answer
393 views

= sign at the end of .sock files in the ls output

I'm running the zsh shell in emacs. When I run ls I get a = at the end of .sock files. What does the = mean? Is it unique to unix sockets?
24
votes
6answers
28k views

How to turn off color with `ls`?

It is normally nice to have color output from ls, grep, etc. But when you don't want it (such as in a script where you're piping the results to another command) is there a switch that can turn it off?...
2
votes
2answers
2k views

Differing outputs of the commands “ls .*” and “ls *.”

The command ls .* when run gives as output the following : All the files in the current directory starting with a . (hidden files) All the files in the hidden directories present in the ...
31
votes
1answer
15k views

What does the “@” (at) symbol mean on OSX ls? [duplicate]

When I check permission of less files from the command line on my Snow Leopard OSX system using Bash I see -rw-r--r--@ for certain files and for others I just see -rw-r--r-- What does the @ mean here?
1
vote
1answer
168 views

ls recursive on home dir only with no flags specfied other than color [closed]

Like the topic says whenever I am in my home directory and run ls it shows me every file in every folder recursively, I cannot find any documentation of why this would happen, I have been looking on ...
5
votes
6answers
4k views

ls with find :: report total size

I am trying to get the total size of files satisfying a find, e.g.: ls $(find -maxdepth 2 -type f) However, this kind of invocation of ls does not produce the total size as well.
62
votes
4answers
102k views

What do the fields in ls -al output mean?

The ls -al command shows the following output; -rwxrw-r-- 10 root root 2048 Jan 13 07:11 afile.exe What are all the fields in the preceding display?
1
vote
1answer
117 views

`ls` behavior on EACCES error for /root and /root/some-rubbish

I'm trying to code a clone of the ls command as part of a school exercise. I'm wondering why the following output is displayed by ls: $> ls -- -test_dir /root /root/some-rubbish ls: /root/some-...
5
votes
1answer
2k views

List a directory, including subdirectories, with file count and cumulative size

Is there a way to list out the content of a directory including subdirectories with a file count and cumulative size? I would like to see: Number of directories Number of sub directories number of ...
0
votes
1answer
791 views

Sorting with command ls in unix (ksh) [closed]

I'm wondering how does the sort works with ls. For example: ls - lrt tri par date ls - lSr par size, ... However I don't see how this pattern works.
4
votes
3answers
712 views

What could be the use case of changing modified time of a file to the future?

I was reading through the man page of ls on UNIX, specifically OS X Mavericks. This got me intrigued: If the modification time of the file is more than 6 months in the past or future, then the ...
13
votes
1answer
7k views

What does a dot after the file permission bits mean?

I performed an ls -la on directory on my CentOS 6.4 server here and the permissions for a given file came out as: -rwxr-xr-x. I understand what -rwxr-xr-x means, what I don't understand is the . ...
6
votes
1answer
424 views

why ls reports a huge file and du does not?

When I run arm-none-eabi-objcopy -O binary add.elf add.bin everything seems to be ok. But, later when I run ls -lh add.bin add.elf this is the output I received: -rw-r--r-- 1 david david 2,6G nov 23 ...
8
votes
2answers
19k views

ls *.* gives: “*.*: No such file or directory” message [duplicate]

I'm using Linux app-server 3.2.0-4-amd64 #1 SMP Debian 3.2.41-2+deb7u2 x86_64 GNU/Linux. When I go to a directory with several files named name1.php, name1.html, name2.php, etc. and type: $ sudo ls *....
8
votes
2answers
810 views

How do I columnate a list of items with minimal width?

How do I columnate any uncollumnated input like ls does? ls is creating an optimized table with minimum width for each row, for example: ls 2 dsao file with space with 5 e g ...
4
votes
4answers
2k views

List only file size and name and symlinks

When I use ls -lah I get lots of information for each file. How can I get only the name and filesize? Additionally I would like to keep the listing of symlinks with the arrow like lrwxrwxrwx 1 ...
0
votes
1answer
5k views

When issuing ls in the /etc/ directory, I get “ls: reading directory .: Input/output error”

I have a Windows running a CentOS6 (32-bit) on a VMWare virtual machine. I am attemping to install a single-node Cloudera Hadoop according to these instructions. At one point I was asked to issue ...
9
votes
4answers
34k views

How do I echo just 1 column of output from ls command?

Lets say when I do ls command the output is: file1 file2 file3 file4 Is it possible to display only a certain column of output, in this case file2? I have tried the following with no success: echo ...
-1
votes
2answers
75 views

How can the number of files in a directory be determined by viewing “ls -ld” output? [duplicate]

The command has to be ls -ld Just from viewing the output of this, how can I determine how many files are in this directory?
12
votes
2answers
8k views

Why does a new directory have a hard link count of 2 before anything is added to it?

Say I just create directory newDirectory and then I do ls -ld command. I see that the number of hard links is 2. What exactly makes the hard link 2 from the start? Also is the number of subdirectories ...
0
votes
1answer
157 views

How can number of subdirectories and files be determined from ls -ld command? [closed]

How can number of subdirectories and files be determined from the output of using ls -ld command? I realize that this command only lists the directories.
0
votes
2answers
643 views

How can I for example list five largest files in /usr/lib -directory?

How can I for example list five largest files in /usr/lib directory? Please also add some minor explanation for each bit of code that you are using.