The ls command lists the contents of a directory.

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297 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?
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1answer
288 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 ...
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3answers
2k views

zsh alias being overridden somehow

I'm on a system running OS X 10.8.5. I recently tried to alias ls to ls -G -la command. I opened up ~/.zshrc, put in the alias, relaunched the terminal, but the change didn't take effect. Upon ...
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1answer
923 views

The result of echo * and echo .*

Thereotically, the result of command echo * should be "Any file in the current directory". Should it include the dotfile? Similarly, Should the result of ls * include the dotfile?
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958 views

Ignore all matches to negated extglob pattern in recursive ls

I would like to recursively list all files in a directory which match a given input pattern using ls. (Oh, and this is in Bash). The only way I can think of to do this using ls is to shopt -s extglob ...
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641 views

List info about files/directories with spaces

I am trying to use ls to get information about files and directories. My current command fails to properly get the name whenever a file/directory has a space. I am using this to list all ...
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1answer
74 views

What is the number at the top for the results for ls -l? [duplicate]

When you type in ls -l, there is a number on the first line labeled "total 22037"? What does this number mean? I am attempting to write my own version of ls -l( in C), and how do I get this value or ...
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119 views

Confused about the behavior of asterisk in ls command

On Centos and Debian I tried this. Does the * with the ls command imply recursive search? If I start to type a dir name and hit tab I see this: # ls /etc/rc<tab> rc0.d/ rc1.d/ rc2.d/ ...
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31 views

Only color files according to file types? [duplicate]

When using ls to list files in a directory, the files are colored according to their access permissions. Is it possible to color the files only according to their file types (e.g. a regular file, a ...
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147 views

How to list only the last line of each directory?

I learned thanks to you, how to display only the last line of a listing,e.g. ls -ltr | sed '$!d' Now I thought, how to combine it with the find command, in order to repeat this onto each directory ...
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1answer
412 views

What does the @ symbol mean on filenames [duplicate]

When I do an ls in the /proc/PID directory a number of @ symbols show up next to the file names. Normally I would consider this to mean extended attributes but when I do the long form of ls they do ...
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2k views

“ls” in directory outputs “No such file or directory” for some files

I cd to a directory that has a large number of files, 40,948 to be exact. When I issue ls it takes a long time and before the command finally prints the results to the screen it tells me "ls: cannot ...
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118 views

Why do these two find-commands give different results?

I wanted to see all files modified within the last 10 days and who owned them, so I entered the following to give me an idea how many results would be returned; find . -maxdepth 1 -mtime -10 I then ...
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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 ...
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1answer
280 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 : ...
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2answers
306 views

How to use `ls` to group and show only a first word of directory name?

I want to define a new ls command to do something like this The first when i use ordinary ls command: $ls undergrade.AI undergrade.KDD undergrade.AI2 undergrade.micro ...
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1answer
193 views

What does * next to the file name mean in the output of ls? [duplicate]

I have a doubt related the output of ll command. When, in my shell, I execute the ll command I obtain this output: -rwxrwxr-x 1 andrea andrea 104215 ott 15 15:56 atmosfs* Why I have the * next to ...
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5answers
2k views

Identify folder in bash

I was trying to learn how to identify only folders within a folder on the main level. example: main -folder 1 -folder 2 -folder 3 I started with this script: #!/bin/bash ...
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1answer
2k views

Very basic question, ls a different directory and save file

I seriously can't understand where I'm going wrong with his question. The first part is. List all the file and directory names in /etc which have 1 or more numbers in their name. Remember to use ...
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1answer
65 views

ls -lu does not give last access time

The manpage of ls says: -u with -lt: sort by, and show, access time; with -l: show access time and sort by name; otherwise: sort by access time but that doesn't seem to work: ...
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2answers
39 views

files per directory in a single line

I have following directories: Sample1 Sample2 Each of it contains multiple subfolders like Sample1/R1/ Sample1/R2/ Sample1/R3/ Sample2/R1/ Sample2/R2/ Sample2/R3/ Which further contains ...
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85 views

`du -b` shows different size than `ls`

I have a directory with a few hundred files (real files, no symlinks, no subdirectories). When I use ls -la and sum up the sizes in Excel I get 287190 bytes(?). When I use du -b or du ...
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65 views

Got weird result when executing bash command “cd /usr/share/; ls *z ”

I know the meaning of * wildcard But when I use Ubuntu 14.04 and type following command: $ cd /usr/share/ $ ls *z But why the part of the result is like this:    ...
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139 views

Listing directories and understanding ls

On ls man page, I saw this -d, --directory list directory entries instead of contents, and do not dereference symbolic links on my current folder: drwxr-xr-x 2 oracle oinstall 4.0K Jul ...
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1answer
213 views

LS_COLORS for 256-color terminal

I thought ls colors are defined as <file_type>=[<bg(40-47)>];<font_spec(0:5)>;<font_color(30-37)> but, I recently found this where there are more colors and colors are ...
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3answers
2k views

What does “>” do vs “>>”? [duplicate]

I am currently doing preparation for my GCSE computing controlled assessment on Linux. I type ls > list and ls >> list into the command line, but it does not do anything. I have googled it ...
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690 views

Ls -1 Command in linux on Ubuntu dosen't show details beside the name of each directory or file in the list? [closed]

I am using Ubuntu and when i issue this ls -1 command there is no details appear in-front of the directories and files names there is only a blank space ..what can cause this ?
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2answers
51 views

How do I find a files directory?

I am looking for a specific file in OS/X. I can see the file by using: ls -alR | grep "mkmf.*" This shows my that the file exists. How do I find what directory the file is located. Many thanks ...
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3answers
2k views

Why is ls command slow to interrupt on NFS directory with lots of files?

I noticed in directories with lots of files on NFS if I do ls * then hit Ctrl-C it can take a while ( say 20 seconds ) before ls comes back. Why? Can ls command be fixed to be more responsive?
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2answers
2k views

How to change the output color of the ls command in terminal in OS X and iTerm2?

I know that a similar question has been asked in: How to colorize output of ls ? although I didn't really understand the answer and couldn't really make it work. However, I have tried something ...
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1answer
109 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: ...
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422 views

MacOsx - Shell - list all .php files and their octal permissions, inside a specifc folder

is it possible to list all the ".php" files located into a direcotry and their octal permissions? I would like to list them like this: 775 /folder/file.php 644 /folder/asd/file2.php etc...
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1answer
910 views

ls -ld /dir, Solaris [duplicate]

Always when I run ls -ld /dir the output give me the size = 512 even if there are files in it or not. but when I run du -sh the output give me the actual size of the directory including its content.
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1answer
944 views

Please explain the output of the ls -all command

This is one of the many similar lines from the output from ls -all lrwxrwxrwx 1 subhrcho dba 25 Dec 6 01:36 beam-server.jpr -> .ade_path/beam-server.jpr What does the above signify ? I am ...
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3answers
1k views

dircolors “missing second token”

I'd like to customize the colors of ls and as far as I understand the way to go is with dircolors. I did: dircolors > ~/.dircolors Immediately after this I launch a terminal and get this error: ...
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3answers
2k views

Ls with spaces + variables

I want to do something like this, but it doesn't save the variable after the piping ends: fs=( ) echo ${fs[@]} ls -A1 | while read f do echo ${fs[@]} fs+=( "$f" ) echo ${fs[@]} done echo ...
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1answer
27 views

Set ls -l time format

I would like for all my ls commands that display a date, such as ls -l, to print the date column in a format of my choosing. Currently, I manually set this every time with --time-style. Is there any ...
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1answer
42 views

What does @ in front of a directory name imply?

On my Synology NAS, when I do ls on my volume, I see that a few directories a leading @ in their names. A few also have a trailing @. What does this imply? Examples: @optware @autoupdate
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1answer
71 views

udev creates the right rules, but rights disappear as soon as I try to access files via C++

I'm facing a really strange problem using udev. As I already explained here I'm trying to access some folders/files as a no root user Here are my udev rules for the gpio folder: KERNEL=="gpio*", ...
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4answers
123 views

How to show only hidden directories, and then find hidden files seperately

I'm trying to list all the hidden files in a directory, but not other directories, and I am trying to do this using only ls and grep ls -a | egrep "^\." This is what I have so far, but the problem ...
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2answers
388 views

File Permissions Sticky&User Execution

After the website of a client has been hacked, I found some files with the following permissions set What exactly S and T stands for? Also, which one is the command to set them with those ...
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1answer
451 views

ls: No such file or directory error

I am writing a very basic shell for my school. Even thought commands like "pwd" or "date" works when i try "ls" it shows me that "ls: No such file or directory error" The code of my shell is ...
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2answers
179 views

Changing colors used by `ls` does not work in Emacs “Shell” mode

I followed http://unix.stackexchange.com/a/94508/674 to change the colors used by ls. This works in bash. When I open a buffer of "Shell" mode in Emacs (M-x shell), the change doesn't work. I wonder ...
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73 views

Finding a file which has “info” in its title

By using the ls command I can list the names of all the files in the directory I am working with. However, how do I list all of the files in the directory which have contained in their title info? So ...
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81 views

How to extend the ls command by a custom column

I wonder if it is possible to modify the ls -l command by a custom column. For example, I would like this column to contain for each file, say, the first line of $(CustomCommand FILE).
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1answer
96 views

How to know if output is being redirected to a file? [duplicate]

I am working on displaying output like ls command (just ls, no options). And I have a working program using the system calls. But I experienced a strange behavior while testing as shown below. $ ls ...
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1answer
149 views

How do I make 'sudo ll' work? [duplicate]

Every once in awhile, I find myself needing to list files in a directory that I don't have execution permission on. So I do a sudo: >sudo ll /opt/mydir [sudo] password for civfan: sudo: ll: ...
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2answers
98 views

User cannot see directory permissions

I'm working in Ubuntu 3.13. The permissions on a drive are such that the owner can see directories and files with these permissions: drwxrwxr-x 2 michael atlas 4096 Feb 15 12:34 temp2 ...
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1answer
313 views

Why are files and directories colored in different ways? [duplicate]

On Ubuntu 14.04, in bash under gnome terminal, Why are files especially directories colored in different ways? The green colors hide the text to me (How about to you?). Is it done by terminal or ...
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1answer
614 views

du and ls commands reporting wrong directory size

I'm used to the du command. I often use it with -h option. I report the result in a text file which I use to track space consumers. But I was wondered today to see a directory being reported as using ...