Questions relating to the Linux 'list' command (ls)

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1answer
32 views

How to run a command at login

So I've been looking around and I can find ways to run commands every time you open a new terminal and inadvertently figured out how to make a continuous loop of opening terminals. I've edited ...
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0answers
17 views

How can I enable different color for FORTRAN files (or for that matter any other extension files with different colors) when listing files?

I want to display different color for different kinds of files. For example, all script files are generally highlighted in green color in bash. Similarly, I want to have a different color for all ...
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0answers
39 views

Change ls colors only in home directory not in mounted disk

I try change color of Dir in ls so i add this into my .bashrc: alias ls='ls --color=auto LS_COLORS=$LS_COLORS:'di=1;33:' export LS_COLORS and it works. But when i'm in my mounted disk it does not ...
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0answers
20 views

Set -h as default for ls? [duplicate]

I use the -h flag to make ls report in M,K,G etc Can I set the -h flag to be the defaul for ls so I don't need to write it every time ?
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2answers
30 views

In the sentence “ls -Ral /bin > TalhaA452.txt” [duplicate]

what does -Ral do? I dont know what this word means in the sentence "ls -Ral /bin > TalhaA452.txt"
1
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2answers
46 views

Does the terminal learn common typos? [duplicate]

This may seem like a stupid question. I'm using Ubuntu 15.10 with GNOME Terminal 3.16.2. When I was new to the system, I often typed 'l' or 'la' instead of 'ls' to list files, and would then be told ...
3
votes
4answers
696 views

Why doesn't ls combined with awk show exact sizes?

I am trying to find the size of the files on my hard drive in exact bytes, but whenever the size gets too big the number turns all weird (like 1.98329e+12). Can I stop it from doing this or convert ...
1
vote
1answer
42 views

Sort files by name as if they were dates

I have a backup bash script which hashes everything into a tar.gz in a backup dir. For a restore script, I need to be able to select the single newest one from bash. the format of my backup folder is ...
0
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1answer
28 views

could someone explain the outcome entries into a file? [duplicate]

I have read a really good answer explaining what -rwxr-xr-x 1 root root 523454 Aug 8 2014 name means. However, It did not explain the number before the root root. Also, could you explain what ...
2
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1answer
87 views

Difference in default “ls” and execvp “ls” call [duplicate]

I called "ls" command using the execvp system call from inside a c file. But there seems to be a slight difference. The exe files in the default ls call are highlighted green But not in my own ...
0
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1answer
42 views

How to list file names with a total of X letters

Say I have a list of the following files in my current dir: lab1.jav mytst2 pie.c prog2.c tst3.ex tst5:5.tlab2jav lab2jav.ext new.c prog1.c tst1 tst4.exc tst6:6123.tA7-tst.c ...
0
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0answers
17 views

funky permissions, what does it mean? [duplicate]

I was having a hard time with a particular folder. When I looked at the folder, this is what I saw: $ls -al ?????????? 2 denis denis 4096 Feb 20 09:32 public_html I changed it, with chmod, ...
0
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2answers
644 views

What is the la command?

I just mistyped ls as la. Without noticing, I ran it: tim@Hairy:~$ la detection.sh output-2.jpg output-4.jpg output-6.jpg output-8.jpg Test1.pdf output-1.jpg output-3.jpg output-5.jpg ...
0
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2answers
138 views

Long Commands Pasting Into The Terminal

I can't paste the long command into the terminal. There is a ls command which takes alot of argumnets and i'm trying to insert in into the terminal by copying. But it runs every single line. So i ...
3
votes
1answer
62 views

ls output not compact anymore

I wanted to ask about the ls command in lubuntu 15.10. Now there is a new line for every entry. I know from other distributions that there is also an output style where ls outputs the content of ...
0
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1answer
40 views

Can't execute this file [closed]

I can't execute the skype file. I have the permissions I need. What's the meaning of filename* in the ll output?
0
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0answers
26 views

what do the columns in 'ls -l' mean? [duplicate]

I am looking specifically for the second column and how to change it. I know it has something to do with owners or groups but I cannot find a direct definition of what it means
4
votes
3answers
455 views

Size of device file ( missing in ls -l output )

When I try to print the device file output shows binary data in hexadecimal format. But upon doing a ls -l /dev/sda I get: brw-rw---- 1 root disk 8, 0 Jan 29 12:29 /dev/sda I don't ...
0
votes
1answer
29 views

What do these files mean and how should I replace?

In order to get into Symphony framework I had to install Virtual Box (VB) and Vagrant and SSH into the Ubuntu system I created with the default values of Puphpet. In order for my application to work ...
0
votes
1answer
25 views

5030 in ls output.?

I am getting the following in the output of ls for the home directory of arcsight user. drwxr-xr-x 2 5030 tspplatformadmin 4096 2016-01-28 02:51 arcsight What I expected the output to be: ...
1
vote
1answer
53 views

Meaning of “b” and “c” in file privileges description (output of ls -l)

Basic question regarding the ls utility. What do letters "b" and "c" mean at the beginning of the 10-symbol code describing the item privileges ? From what I understand, when typing ls -l, the ...
0
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1answer
56 views

Display the name of all files with home directory which is smaller (in size) than 10 KB but bigger than 5 KB

Display the name of all files with home directory which is smaller (in size) than 10 KB but bigger than 5 KB. using Linux comand. pls help me
1
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3answers
125 views

ls command to view particular string in filename within directory

I have bunch of files in one directory. I want to list specific files within this directory whose name as follows; stacov_abcd0230.15o stacov_abcd0240.15o stacov_ab120240.15o stacov_01020240.15o ...
2
votes
1answer
307 views

why ls -a command showing file name in red color? [duplicate]

As shown in the above picture, When I do the command ls -a is one specific file name in red color. Why is it so?
3
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1answer
70 views

How do I sort the output of “ls” by last modified - including the date?

So the output would be either: Most recent at the top OR most recent at the bottom - giving the times when the contents of the working directory were modified? Apparently, ls -t is supposed to give ...
0
votes
1answer
44 views

ls - filtered list - total size

I'd like to list all the files beginning with z, have their individual filesize, and the total size in the bottom of the list (so I don't have to scroll up like with ls -s). DOS equivalent : dir z* ...
4
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2answers
1k views

What does each part of the `ls -la` output mean? [duplicate]

What do the following numbers represent?
12
votes
1answer
737 views

What are those 'x xx' in 'ls -l' command

When performing ls -l I encountered a column I don't recognize. drwxrwxr-x 7 user user 4096 × ×× 29 13:54 .eclipse drwxrwxr-x 3 user user 4096 × ×× 30 09:30 workspace drwxrwxr-x 3 user ...
7
votes
4answers
647 views

List all recently changed files (recursive)

So, I want to display (via ls for example) all files, which were changed in the last seven days. If I'm in my docroot-folder, it should be able to look "deeper". For example: File Last ...
1
vote
2answers
68 views

counting in directory

I would like to know what the difference is between: $ ls | wc -l and $ ls > foo $ wc -l < foo when counting all files in the current directorys. And why does the second one gives me one ...
7
votes
3answers
819 views

Listing files with grep?

I have a directory that contains the following files: file1a file1ab file12A2 file1Ab file1ab I want to list all files that start with file1 and followed by two letter at most! The solution I ...
-1
votes
5answers
262 views

How to get a new line at the end of pipe command

I want to write a piped sequence of commands which prints out a list of all the subdirectories of the given directory, and printed in one line, following a new line. I'm having trouble to make the ...
6
votes
4answers
352 views

is there ls -l numeric formating?

consider the output of this ls -l command: $ ls -l /usr/bin | tail -rwxr-xr-x 1 root root 105696 Oct 25 2014 zenity -rwxr-xr-x 1 root root 188296 Oct 21 2013 zip -rwxr-xr-x 1 root root ...
0
votes
1answer
69 views

What does the ~ symbol mean next to the files that are listed with ls? [duplicate]

I created a file named xxx on my Desktop and then I (re)moved it using terminal. Now when I execute ls on Desktop I see a file named xxx~ that is not visible at GUI. What does it mean?
5
votes
3answers
769 views

found ls binary using whereis but can't find ll why?

found ls binary using whereis but can't find ll why ? How to find where ll binary loacted ? I found "ls" binary using "whereis" but can't find "ll" $ whereis ls ls: /bin/ls ...
2
votes
2answers
403 views

ls vs. ls -C difference

commands ls and ls -C seem to produce the same results - display by columns. Is there any difference?
1
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2answers
37 views

ls -d not doing what I'm told it should

Ubuntu 14.04 LTS Straight machine, no dual boot or anything. I am in ~/scratch I want a list of directories only. tree -dL 1 Got it! man ls says: -d List directories only instead of their ...
0
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0answers
48 views

Why isn't my ls not changing colors?

For some reason I can't change the colors of the following file extensions. Here is what I added to the end of my ~/.bashrc file: alias ls-"ls --color=auto" LS_COLORS=$LS_COLORS:"*.pl=32:*.lua=35;41" ...
30
votes
2answers
3k views

Why do I get a train when I run 'ls'?

I have recently noticed something odd that I don't like very much: So why am I getting a train upon running ls? And how can I stop this and make it behave normally? Is this an Easter Egg that I ...
-1
votes
1answer
77 views

why does ls -Z returns files names with question marks next to them?

why does ls -Z returns files names with question marks next to them? And what does this command do?
0
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1answer
170 views

What does `ls /` do? [duplicate]

Running the ls / command some files are coming out; What are those files? They are not even directories. Output of ls /: bin dev boot etc cdrom media mnt home lib lib64 proc root
1
vote
1answer
34 views

help needed understaning ls format meaning

I hit l this evening while compiling some things, and got some unexpected output. $ l l3* lesson03.cpp lesson03.o look.png readme.txt so then I looked at alias: which lists l as: alias l='ls ...
0
votes
2answers
419 views

What does the 4th column in ls -l mean

column 1 defines type of file and file permissions.** column 2 defines - i d k column 3 identifies owner of the file column 4 identifies - a user but not sure of the association column 5 file size ...
0
votes
2answers
46 views

list files or dirs starting with 'jre'

I need to list files and dirs with names starting with jre (small and capital letters are allowed). When I execute: ls | grep jre ...it greps just low capital letters and gives output with jre not ...
3
votes
3answers
484 views

Why does the ls command show deleted files?

When I type ls in the terminal, it shows the files that are present as well as the files that I have deleted. How can I see the current files only, and why does ls keep a record of deleted files? ls ...
1
vote
2answers
162 views

The foreground color changes after `ls` command

I change shell's foreground color with echo -ne '\e[1;31m' command but when I execute ls command the foreground color reverts back to the original previous color. This weird behavior doesn't occur ...
2
votes
4answers
164 views

how can I List files in order

I had an 18GB file I needed to download on a less than great Internet connection. Torrenting wasn't an option. So I busted up the file into 100 segments, and eventually, all of it downloaded. Now I ...
0
votes
1answer
76 views

Deleting an embedded string in a text file with grep or anything else via terminal

I have a text file and would like to remove '/d0/' '/d1/' ... '/d5/' from the each line of text. I know I can ls the files with '/d*/'. I figure it is grep -vE '//d*// filename > filename ...
0
votes
2answers
265 views

Is there any command line to show tree view directory? [duplicate]

Many tutorials depict tree-view directory to show how they organize their files. Is there any command line to show such view? Is ls capable to do this?
1
vote
2answers
78 views

When I run ls on my usb drive, every file is in the green text of executable files. Why is this?

The files are those for general consumption for the most part, pictures, documents, pdfs, etc/