The ls command lists the contents of a directory.

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0
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3answers
60 views

How to print only certain characters?

I have to translate the permissions of a file this way: r ► c w ► s x ► e Then, I must extract the group of characters which are related to owner group. Last step is to print that group of ...
0
votes
2answers
31 views

How can I recover disk space shown by the difference in disk usage between ls and du

I have a one Terabyte external hard disk drive that I intend (should have done this long ago) to use for backups, and I have done a lot of experimenting to get my mind round it. When I looked again ...
7
votes
7answers
16k views

Show sum of file sizes in directory listing

The Windows dir directory listing command has a line at the end showing the total amount of space taken up by the files listed. For example, dir *.exe shows all the .exe files in the current ...
0
votes
1answer
40 views

How can I write an alias for cd such that it will fire ls after going into the directory to which I just cd'ed into? [duplicate]

Lets say I want to do cd home and then ls -lrth. I want these two things combined into a single command. I tried writing an alias, but it didnt work. Can you help me ?
-2
votes
1answer
108 views

`ls ..` and `cd ..;ls` command shows different output [closed]

I use the command ls in the same position, but it shows different output. From /usr/local/services/video_sphinx-1.0. ls -a and ls -a ../video_sphinx-1.0/ command shows different files. Why? ...
2
votes
3answers
50 views

Remove files from listing that are created/modified on Saturday

I am not sure if it is possible. I do ls -l, it gives all the files in the current directory. Is there a way to say list only files that weren't created/modified on Saturday's with shell command?
2
votes
3answers
50 views

How to know list of directories under a filesystem?

If I run sudo df -h command, I got below output: Filesystem Size Used Avail Use% Mounted on /dev/sda2 12G 9.5G 1.1G 91% / /dev/sda4 3.8G 1.5G 2.1G 41% /home ...
12
votes
4answers
8k views

Sorting files according to size recursively

how to scan a folder recursively and find the largest files in the folder, and sort them by size. I have tried using ls -R -S but it tends to list the directories as well I need to scan the folders ...
1
vote
1answer
28 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 ?
2
votes
2answers
44 views

ls doesn't give me the same as cd + ls to the same folder

$> ls ../../../../.. Doesn't give me the same result as $> cd ../../../../.. $> ls Why? Something with links? What's going on? [ johanrj@jamin ] ...
4
votes
2answers
421 views

Basic commands in Unix not working i.e: -bash: ls: No such file or directory

I'm new to Unix and in the process of installing a program for my dissertation I must have played with the PATH for the basic Unix commands such as ls. Every time I type ls and the directory name I ...
0
votes
0answers
28 views

Failed to list directory contents: process waits infinitely

I use Linux Mint 13, and sometimes (rarely) I find myself not being able to list my home directory contents. When I try to do so: $ cd $ ls then, ls just waits indefinitely. The same with any other ...
3
votes
4answers
71 views

Determining the number of files and subdirectories in Linux

When displaying directories in linux using ls -ld, I get something like this: user@shell:~/somedirectory$ ls -ld drwxr-xr-x 2014 K-rock users 65536 20011-11-05 11:34 user@shell:~/somedirectory$ ...
77
votes
8answers
10k views

Why *not* parse `ls`?

I consistently see answers quoting this link stating definitively "Don't parse ls!" This bothers me for a couple of reasons: It seems the information in that link has been accepted wholesale with ...
1
vote
3answers
47 views

Print full pathname with `ls` and `find`

I want ls to print with absolute pathnames, how do I do that? find / -type d -mount -exec ls -ls {} \; ls is printing only the relative file names within the directory.
0
votes
1answer
85 views

Delete empty directories using 'ls' command

I want to delete empty directories without using find command find . -empty -type d -delete. like the following: if [ "$(ls -d *)" ]; then echo "Not Empty" else echo "Delete" fi How do I ...
4
votes
6answers
268 views

How can I list files by type with ls?

When I use the ls command with the option -l, the first string of letters gives the info about each file, and the first letter in this string gives the file's type. (d = directory, - = standard file, ...
1
vote
2answers
65 views

how to sort files by their permissions using ls?

I have a large number of files and directories in one directory. I need to sort them in terms of the permissions. For example drwx------ drwxr-xr-x drwxr-x--- I am just wondering if we can sort ...
3
votes
1answer
57 views

Changing the spacing between files in ls

This is more of a cosmetic question but this is really bugging me. On OS X, when I run ls -G (or use CLICOLOR=1) instead of regular ls it changes the spacing of the columns, as you can see in this ...
1
vote
3answers
340 views

In a Bash if condition, how to check whether any files matching a simple wildcard expression exist?

Stupidly, I had been using a condition like this as part of a script: if [ $(ls FOO* 2> /dev/null) ] # if files named "FOO*" were downloaded then echo "Files found" # ... process and ...
3
votes
5answers
97 views

List files with line count and date

I want to be able to list files showing the number of lines the each file has and the date. I can happily get the line count using wc -l *. Not a problem. I can get the date using ls -l. Is there a ...
3
votes
1answer
309 views

It's bad to use ls -A to list hidden files?

I want to list every file, including hidden files, in the current directory. I don't want to include the parent (..) and current (.) directory. I found this: how to glob every hidden file except ...
3
votes
3answers
89 views

Sorting directories by last modified date/time of the same-named contained file

Is it possible, using grep, find, etc, to sort a list of directories by the last modified date of the same-named file (e.g., file.php) within? For example: domain1/file.php (last modified 20-Jan-2014 ...
0
votes
1answer
38 views

Executable directory? And chmod o+w changing the terminal directory color?

What does an executable directory mean? If o+w is set the directory changes colors to a background green, what does this mean? Why doesn't it do it for ug+w, but only for o+w? Additional question ...
0
votes
2answers
121 views

proper way to iterate through contents in a directory [duplicate]

I need to iterate through every file inside a directory. One common way I saw was using the for loop that begins with for file in *; do. However, I realized that it does not include hidden files ...
-1
votes
2answers
43 views

Matching multiple patterns with ls

I'd like to get a list of fail logs in the current directory for use in an outside script, the logs are determined with the pattern FAIL in the filename, so I've been using a FAIL* to feed my script ...
1
vote
2answers
156 views

sort and ls — why aren't capitalized letters sorted first?

I want a sorting like this, with capitalized letters before lowercase: -rw-r--r--. 1 0 0 183 2014-10-14 20:17 ./CHECKSUMS.md5 -rw-r--r--. 1 0 0 185 2014-10-14 20:17 ./CHECKSUMS.asc ...
11
votes
2answers
29k views

How do I make `ls` show file sizes in megabytes?

What commands do I need for Linux's ls to show the file size in MB?
6
votes
1answer
117 views

Filetype and dereference when listing directory with LS command

I'm trying to combine arguments to the ls command to list a directory content. What I'm basically trying to achieve is listing the directory dereferencing all links, but showing explicitly that the ...
18
votes
2answers
58k views

How to get only files created after a date with ls?

With ls command, does it possible to show only file created after a date, hour... I'm asking it because I have a directory with thousand of files. I want files created since yesterday. I use ls ...
6
votes
1answer
82 views

???? files in ls -l output

I see ghost files in red colour inside some of my directories: [drey@cyan|23:54|~/downloads]ls -la ls: cannot access teamviewer9_linux.deb: No such file or directory total 1318096 drwxrwx--- 1 root ...
0
votes
2answers
54 views

ls hard link question

I run ls -la on the Volumes directory. It shows the MM dir to have 9 hard links and the Media dir to have 12. If I then cd to the MM directory and run ls -la, it shows only 7 items whereas if I cd to ...
1
vote
2answers
31 views

Listing folder contents during cd command

I might be mistaken here, but I was watching someone navigate using the cd command, and without actually executing it, they were able to show the folder contents of the current folder. So if I type ...
10
votes
7answers
37k views

How to list files without directories, and filter by name (ls options)

I have a directory called uploads. It contains a bunch of files, plus a few subdirectories which in turn contain files. Is there a way I can (in one step) do the following: List ONLY the files in ...
2
votes
2answers
143 views

Change file timestamp and display hour instead of year with ls

I want to change a file's date to tomorrow 21:00. I used touch, but when I type ls -l the year of the file is displayed instead of the hour. -rw-r--r-- 1 ABCD DEF 0 sept. 30 2014 test01 -r-xr-xr-x ...
8
votes
4answers
26k views

How can I list subdirectories recursively?

The obvious ls -dR does not work. I am currently using find /path/ -type d -ls but the output is not what I need (plain listing of sub-folders) Is there a way out?
15
votes
4answers
2k views

Why does “ls | wc -l” show the correct number of files in current directory?

Trying to count number of files in current directory, I found ls -1 | wc -l, which means: send the list of files (where every filename is printed in a new line) to the input of wc, where -l will count ...
0
votes
1answer
77 views

External Hard Drive Issue on mac

After the cd /Volumes command when I type ls it shows me my hard drive name twice, with different permissions. After that when I try to use mkdir to create a directory in the external hard drive I'm ...
5
votes
1answer
114 views

How to colourise hidden files in `ls` file listings?

LS_COLORS environmental variable lets you decide on colours for different file types for ls command, such as, directories, regular files, links etc. I suppose that dot files are considered a variation ...
3
votes
1answer
198 views

Putting Files in Ascending order (not on time stamp basis) in Unix [closed]

How do I list files in Ascending manner, not on time stamp basis. EX:- Original listing A_2001 A_2002 A_2003 A_2004 B_2001 B_2002 B_2003 B_2004 Desired output:- A_2001 B_2001 A_2002 B_2002 ...
3
votes
3answers
5k views

output only file names(with spaces) in ls -Al

I should echo only names of files or directories with this construction: ls -Al | while read string do ... done ls -Al output : drwxr-xr-x 12 s162103 studs 12 march 28 12:49 personal ...
0
votes
1answer
49 views

Difference between “ls -l” and “dir -l” [duplicate]

What is the difference between ls -l and dir -l? I always use ls -l, but my colleague (who is slightly colour blind) uses dir -l. Is this the only difference: ls -l has colour and dir -l not have ...
5
votes
6answers
10k views

List files larger than {size} sorted by date

I want to solve the problem 'list the top 10 most recent files in the current directory over 20MB'. With ls I can do: ls -Shal |head to get top 10 largest files, and: ls -halt |head to get top ...
-2
votes
1answer
104 views

Find files using ls and wildcards

pwd : ../bin under bin I have a directory called datafiles. Use meta characters and the ls -lL command (with lower and upper case L) to list all filenames under the datafiles directory that contain a ...
11
votes
6answers
8k views

Show only hidden files (dot files) in ls alias

I'm using the command ls -a | grep '^\.' for showing only the hidden files. I added the line alias hidden='ls -a | grep '^\.'' # show only hidden files to .bash_aliases file but this does not ...
31
votes
1answer
3k views

Why can Linux show a file name containing character '/'?

The following picture is snapped in a real Linux environment. Why can Linux show a file name containing character '/'?
9
votes
3answers
9k views

dircolors: modify color settings globaly

I understand ls uses dircolors to display colored output. dircolors has default database of colors associated with file extensions, which can be printed wiht the command dircolors --print-database ...
1
vote
1answer
57 views

ls and find command excluding a certain directory

I want to do this: ls -altrhS 'find / -type d \( ! -name tmp -prune \) -size +10000k 2> /dev/null -print' | egrep -v 'ibd|MYD|MYI' So I want to list, in that format, files of a specific size ...
5
votes
6answers
2k views

Strange case: Text file that exist and doesn't exist

I'm completely puzzled about a problem with a single plain text file in my system fedora 12. I used a known software in bioinformatics, maker, to produce lots of plain text files and one of them it ...
0
votes
1answer
98 views

Linux can't read and write, but windows can

I have a hard drive with a lot of back up files, that were created by PhotoRec. When mounting it with a windows computer I can read all the files perfectly fine. Under linux I get an error when ...