The ls command lists the contents of a directory.

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1answer
30 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
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2answers
105 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
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2answers
29 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
146 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 ...
10
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2answers
25k 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
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1answer
99 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
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2answers
55k 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
73 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
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2answers
44 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 ...
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2answers
27 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
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7answers
35k 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
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2answers
60 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 ...
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4answers
25k 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?
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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
49 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
98 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
144 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 ...
2
votes
3answers
3k 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
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1answer
39 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 ...
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1answer
51 views

Delete empty directories without find

I want to delete empty directories without using find command like the following: Instead of find . -empty -type d -delete use if [ "$(ls -d *)" ]; then echo "Not Empty" else echo "Delete" fi ...
5
votes
6answers
9k 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 ...
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votes
1answer
80 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 ...
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6answers
7k 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
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1answer
2k 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 '/'?
10
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3answers
7k 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
50 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
74 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 ...
4
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2answers
5k views

How to list ALL directories according to their size? [without including the parent directory]

I have a bunch of random folders, some of them are hidden (beginning with a period). I want to list all of them, sorted by their sizes. I have something on the lines of this in mind: ls -d -1 -a */ ...
1
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2answers
41 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 ...
2
votes
1answer
25 views

Regarding identical copies of gedit files

When ever I save a gedit file in a directory, two copies of it get saved with identical content. Ex: If the gedit file is named as file_name and saved in Home directory then when u ls the Home ...
3
votes
2answers
92 views

exit a script if an ls line did not find any match

I am writing this script that have this line: ls -lrt /dir1/dir2/filename*.txt | tail -1 | awk '{print $9}' | read variable What I wanted is to exit the script (without using if-statement) if it ...
5
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3answers
519 views

Sorting ls output by time, when there are too many files for a single invocation

I know that I can sort the output of ls by time with the -t option. I know that when I have so many files that they don't fit in a single ls invocation, I can normally use xargs (or find ... -exec ...
23
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12answers
4k views

What's the most resource efficient way to count how many files are in a directory?

CentOS 5.9 I came across an issue the other day where a directory had a lot of files. To count it, I ran ls -l /foo/foo2/ | wc -l Turns out that there were over 1 million files in a single ...
2
votes
3answers
954 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?
14
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4answers
22k views

Why is Debian's root shell colorless?

Are there any security concerns? What is the best way to enable it?
12
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4answers
686 views

Why does ls accept duplicate switches?

I'm curious - is there a difference between ls -l and ls -lllllllllllllllllllllllllllll? The output appears to be the same and I'm confused on why ls allows duplicate switches. Is this a standard ...
1
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3answers
219 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?
3
votes
1answer
55 views

Fine-tune LS_COLORS for directory suffixes?

I’m fine customizing most settings in LS_COLORS. I don’t need help customizing the colors for different file suffixes. What I would like to do is configure special colors for certain directories, ...
0
votes
1answer
78 views

ls command - list files containg speccific string in file name and belong to specific type

I am new to linux. Is it possible for a ls command to return a list of files containing "PRO" in its file name and belong to pli file type. I have researched and identified that ls -c -lt *.PLI will ...
7
votes
2answers
903 views

Which is more efficient, ls or ls -l?

As I understand, the ls command calls getdents, which returns up to x number of directory entries. Are there any other system calls involved? If I run ls -l, are there any more system calls? I am ...
7
votes
6answers
13k 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 ...
16
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6answers
14k views

How to match case insensitive patterns with ls?

I would like to list all files matching a certain pattern while ignoring the case. For example, I run the following commands: ls *abc* I need to see all the file that have "abc" as a part of the ...
1
vote
1answer
90 views

Piping the output of ls or tree to less loses colors? [duplicate]

tree and ls can distinct file types by coloring filenames differently. tree and ls often output a long list of files (including directories), so I pipe the stdout output to less. But less doesn't ...
0
votes
3answers
68 views

List files of certain type under a dir?

If you want to list just directories (in the present directory) use ls -d */ What if you want to list just ordinary files, just executable files, or just soft links, or files of any other type? ...
0
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0answers
15 views

What are differences between directory order and alphebetic order with `ls`? [duplicate]

What are differences between directory order (-U) and alphabetic order (by default) with ls? They return the same order of a dir's contents to me.
3
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1answer
185 views

The -F option for ls

For command ls -F, --classify append indicator (one of */=>@|) to entries Wikipedia says * represents executable and / dir. Regular files are not followed by any of the above ...
3
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2answers
155 views

Valgrind /usr/lib files are not regular Linux files

The problem that I encountered today (on an embedded device with Linux) is that some files (specifically, the Valgrind /usr/lib files) are behaving very strange and they are not copy-able with scp ...
9
votes
1answer
1k 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 . ...
1
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2answers
446 views

-bash: cd: .ssh/: Permission denied

When I type in cd .ssh in terminal, it returns with -bash: cd: .ssh/: Permission denied. Now I cannot add my ssh keys to ssh. When I type ssh-add ~/.ssh/idname it says /Users/Dan/.ssh/idname: ...