The command to list the contents of a folder/directory in Unix and Unix-like systems.

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How to have error output from `ls` if target directory is empty

I'm currently learning how to use the Linux shell, getting to grips with the basic commands like cd, ls and pwd. My file structure is like so: user |-- documents |-- file1.pdf |-- file2.txt ...
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13 views

display number of files in current moment like what tail -f do

I have a folder which files are copied to it like /home/my/. I want to run a command which shows number of files inside it in real time like what tail -f do with file contents. I know I should run ls ...
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3answers
34 views

Sort by `ls -l` Dates Without Using `ls`

I have a text file with a bunch of ls -l output, such as: -rw-r--r-- 1 root root 7554952082 Dec 15 22:11 /var/spool/stuff/Investigation/messages.tgz -rw-r--r-- 1 root root 4315 Mar 3 2015 ...
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1answer
55 views

File does NOT exist but ls shows “No such file or directory” error

File system ext4 // which ls -> /bin/ls // Bash -> 3.2.57(2)-release // whoami -> admin If I run ls then I firstly get a list of files with error "No such file or directory" and ...
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1answer
34 views

ls: show date of last updated file in directory tree, for each directory/file in list

I am looking for parameters to ls, or something equivalent, that do the following for a specified directory: For each subdirectory: Look at each file and directory it contains, recursively. Find ...
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3answers
130 views

cd to most recently modified directory after ls -lt in one command

When i browse logs, i use ls -lt in order to see most recently modified folders. Is there a shortcut for entering this folder in one command? Perhaps pipe to other command will do the trick? For ...
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1answer
21 views

Find last edited directory in a bash script

I have been told never to parse ls, but I would like to use the last edited directory in myDir as a variable in my bash script. I know I could capture this via ls -ltr myDir | tail -n1 | awk '{print ...
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1answer
34 views

Alternative to ls to group extensions before sorting

I'm looking for some way to modify/replace ls with a command that is capable of: Grouping directories first (as ls does) grouping files by user-defined extension groups (e.g., all image-type ...
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108 views

ConEmu + ls — 256 colors not working

I'm using ConEmu (specifically Cmder's version). Running 'cmd', it supports 256 colors (top). However, I can't get other programs to run in 256 color mode. I've tried Perl (middle) and ls (bottom), ...
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1answer
39 views

Displaying unicode emoji in filenames on Ubuntu

I'd like to use emoji in filenames and access them on the command line, but I can't seem to get it to work with ls. Weird thing is, if I pipe into just about any other program, the emoji are correctly ...
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28 views

LS but exclude suffixes

I have files foo.mp3 bar baz.mp3 bar baz 2.mp3 What command would output the following? foo bar\ baz bar\ baz\ 2 I know ls -1b handles the escapes, but how do I cut ...
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66 views

how to make ls show hidden files then directories then regular files in order

Is there a way to get ls to show all dot files including hidden directories first then regular directories then regular files? I have read throughout the ls man page but come up with nothing. I have ...
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70 views

How to ls -l file from output of grep

I was trying to run the following command: ls -lh `grep -E "^log4j.appender.File" /var/domains/*/servers/*/logs/log4j.properties | sed 's/.*=//g'` but it shows me error: ls: cannot access ...
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2answers
501 views

Meaning of starting d and starting l in drwxr-xr-x and lrwxr-xr-x

There are two files with the permission strings drwxr-xr-x and lrwxr-xr-x. I was wondering what the starting d and starting l stand for?
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118 views

How to configure dircolors in Cygwin

I've been trying to customize the appearance of the ls command in Cygwin, but have not been able to get the dircolors command to work properly. I am was following the steps found in this tutorial. ...
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18 views

Filter permissions ls by directories normal users don't have read/execute access

I want to generate a list of directories within usr/bin/ that normal users don't have read/execute access to. I know I can use the 'find' command but don't know how to make it work to display what I ...
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43 views

Cannot see files present on server when connecting via Filezilla / SFTP

I am not able to see the files present on the server using Filezilla ftp client. I am using SFTP connection. I am able to connect to the server. I can see only the directories but not the files. ...
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3answers
178 views

Linux: How could a directory be created without “.” and “..”?

I am not sure if the following issue is specific to busybox: I have an embedded device with busybox installed. From what I understand, when a directory is created, usually 2 hidden files will be ...
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97 views

Cannot start Tomcat server from Mac terminal?

I am trying to start the Tomcat server on my Mac. When I navigate to the bin folder, the startup.sh file is there but when I try to run it, it says the file doesn't exist: quickCoder-MacBook-Air:bin ...
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2answers
86 views

Ordering of filenames in linux - not purely lexicographical?

Given a few files in a directory data the following ls command provides a surprising result in the sense of how they are ordered: for f in data/*; do echo $f; done ...
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1answer
88 views

ls colors disappear after running zsh

I installed the latest version of zsh on my osx using brew and then went ahead and installed oh-my-zsh. Everything is fine and dandy, but where did my ls colors go? If I run a bash -l inside of that ...
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43 views

How to get fish-style formatting with less

Let's say I run a command like ls in fish and get lots of output, how do I scroll through it and still keep the fish formatting or something like it? ls | less doesn't keep the formatting. I know ...
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2answers
184 views

Alternative to 'ls -A' in Bash

Is there an alternative to ls -A command in native bash functions? Wildcard * isn't the same. I tried hard to find one, but echo * doesn't show hidden files.
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47 views

Finding php files that have numbers in the filename

Can someone help me with a command line to find all .php files on a server with a number in the filename? I have searched, as best I can, for other answers, but they typically show for a specific ...
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3answers
864 views

What does third symbol in “rw-” file mode mean in OS X ls manual page?

I have trouble understanding ls's manual regarding a file that has rw- mode. Here's the quote: If r, the file is readable; if −, it is not readable. If w, the file is writable; if −, it is ...
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7k views

On OS X, why does `sudo ls` show hidden (dot) files?

With OS X Yosemite, using the following commands, I get the following: $ touch .a $ touch b $ /bin/ls b $ /bin/ls -A .a b $ sudo /bin/ls .a b It shows hidden files (that have names starting with ...
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3answers
541 views

Bash: ls * without folder grouping

If I type: ls source/* source/fonts: fontello source/images: bg1.png eng.png fra.png I get the list of files, grouped by folder names. How can I simply get the list of ...
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50 views

Why “ls” command highlights some folders?

Why LS highlights folder PyFac ? How disable this highlighting? IMG My .profile: if [ -f $(brew --prefix)/etc/bash_completion ]; then . $(brew --prefix)/etc/bash_completion fi export CLICOLOR=1 ...
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1answer
57 views

When in ~ directory, why doesn't ls show /usr/ directory?

I can cd /usr/, but why doesn't ls -a or ls -d or ls -d */ show me that the usr directory is there? I have already seen this question, but ls -d */ yields ls: cannot access */: No such file or ...
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2answers
2k views

Vi can write to file despite file being read-only

The following example show how to create a file with only read permissions. As we can see, when I try to write to this file using the echo command I get, Permission denied. But why, in the case that ...
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1answer
2k views

ls -ltr command in UNIX and Linux - Behaviour

Why does ls -ltr show different total? We have same files in both unix and linux environment please refer BELOW UNIX > ls -ltr /A/B/C/ total 2140 -rwxr--r-- 1 demo demo 14415 May 30 ...
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422 views

ls linux command: how to filter files in other directories

I know what ls folder/ and ls *abc* do in linux. I want to filter out some files in a specific folder. I tried this: ls folder/ *abc but it does not return correct values. Any idea? Thanks
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1answer
47 views

Head waits for full stdin before printing

When one runs ls | head head seems to wait for the full output of the piped command before printing to screen. This is undesirable when the command will take a very long time to run, such as when ...
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1answer
53 views

Why are filename ordering rules different on graphical/non-graphical linux programs?

Here is the output of an ls: x-15.txt x-1617.txt x-2411.txt x-24.txt x-ae.txt x-afag.txt x-bdaa.txt x-bd.txt Note that x-1617 comes before x-24 and the same ordering rule seems to apply to the ...
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306 views

Linux bash command to list hidden files first, then other files sorted by extension

This page: How can I make "ls" show dotfiles first? lets me list hidden files first, but I also wish to sort non-hidden files by "extension" e.g. all filenames ending with ".png" come after ...
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2answers
817 views

Can `ls` be set to only list the first X files/directories?

I'm trying to make a command which only displays the first 30 files when the ls command is invoked. I found this method... ls | head -30 ... but it ends up spitting out the files in one long list, ...
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2k views

du and ls report different directory size?

In trying to verify that a copy-operation completed successfully (or at least that it didn't skip any files), I ran du -b inside the source and destination directory and it showed a difference of ...
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1answer
232 views

Why does the ls command require a dash before its parameters but for tar command, the dash is optional?

I am new to Ubuntu and I am trying hard to understand the command line. When I want to see the contents of a tar file I use: tar tf tarfile.tar But when I want to see a listing of all file if I ...
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2answers
561 views

linux ls -l 5th column header size units?

after I ran this command in my linux terminal, ls -l I get the information listed in long file format. Below is an example of my output: drwxr-xr-x. 10 10011 10011 4096 Oct 14 18:51 ...
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1answer
100 views

an ssh subsystem that does ls

Normally you create a subsystem by doing Subsystem vim /usr/bin/vim or something like that. So how would I do a subsystem that did ls -la? ie. you call the ls subsystem, it gives you an ls and then ...
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1answer
850 views

ls -l but not ls --color=never slow on nfs-mounted directory, if simulatenously writing to that directory

when I dump data into an NFS-mounted directory, reading files modes (e.g. ls -l) is several orders of magnitude slower than a plain file listing (e.g. ls --color=never). I would like to understand ...
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1answer
172 views

Bash - list files within date range

So far I've been basing my efforts around this blog and have come up with: startdate=”201407010000? enddate=”201408010000? touch -t $startdate ./startdatefiles touch -t $enddate ./enddatefiles find ...
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1answer
83 views

If the permissions on a file were set so that everyone could read from or write to the file, how would that be represented symbolically

If the permissions on a file were set so that everyone could read from or write to the file, how would that be represented symbolically (within the output of an 'ls -l' command)?
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1answer
1k views

Why doesn't ls show the group name?

When I use ls -l, it does NOT show the group names in the listings. Only the user names. aj@host:/media/storage$ ll total 724 drwxrwxrwx 10 root 4096 Sep 17 18:23 . drwxr-xr-x 3 root ...
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1answer
80 views

How can I get VIM to maintain the creation date for a file? (OS X)

So whenever I save a file in VIM on OS X, it seems to overwrite the entire thing instead of updating it. If I run ls -tU I can see that the creation date changes and it does indeed update to the last ...
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2answers
341 views

Is it possible to move last modified files using ls, tail and mv?

I want to move the last 3 modified files from a directory using bash commands. However, I noticed that I can use find in the following way: find . -type f -mtime -0.5 -print -exec mv {} ...
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1answer
59 views

cd into first/second/third directory returned by ls -d */

Say I am in a directory code: /code /very-long-and-descriptive-name If I want to cd into that directory (or a directory if it comes first in alphabetical order), I can just cd *. Now say I add ...
2
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2answers
1k views

OS X Terminal wildcard doesn't work for some paths

Okay, this is weird, hopefully someone here can explain what is happening. I am using OS X 10.9.4 and I want to list files in a directory (and filter them using *) I want to look for zip files in ...
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1answer
36 views

problematic listing of folder with many files

In ubuntu I have a folder that contains many (~10M) .txt files (around 1-2KB each). Folder is not big by itself (around 400MB) and does not contain subfolders, just the .txt files. I need to list it ...
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1k views

FTP.exe ls to local Output File Permission Denied on Local Network

I am trying to access a directory on my Filezilla FTP server using the ftp command in Windows from a local computer on the network, and then put a list of all those files in the directory in a text ...