The ls command lists the contents of a directory.
3
votes
1answer
31 views
reboot, shutdown, poweroff are symlinks to systemctl
In Arch Linux, if I do ls -l in /sbin, I can see that reboot, shutdown and poweroff are all symlinks to /usr/bin/systemctl. But issuing reboot, shutdown and systemctl commands obviously does not all ...
5
votes
3answers
5k views
Why is Debian's root shell colorless?
Are there any security concerns? What is the best way to enable it?
5
votes
6answers
2k views
Compare files that are in directory 1 but not directory 2?
I'm having trouble with a bash script I want to make
I know ls will list files that are in a directory but I want it to list directories that are in directory1 but NOT in directory2, and then list ...
13
votes
2answers
2k views
ls command: what does the first line mean?
I haven't been able to find this through internet, when I do ls -l I get this:
calico@A000505:~/Documentos$ ls -l
total 2020
-rwxr-xr-x 1 calico calico 8559 2010-11-16 11:12 a.out
-rwxrw-rw- 1 smt ...
2
votes
2answers
59 views
Linux listing files between two date without touch command
I need a command which will list the files between given date and time (YYYYMMDDHHMMSS - format) in to a text file.
I don want to use touch command as its creating permission issue.
I am new to this ...
3
votes
3answers
85 views
How can I display octal notation of permissions with ls - and can octal represent all permissions? [duplicate]
After looking at the man page for ls on my system and searching Google, I see there IS a hack of way to use awk or perl to show octal permissions when using ls, but with bash is there anything more ...
7
votes
6answers
2k views
List files sorted numerically
I have a bunch of files from log1 to log164.
I'm trying to LIST the directory (sorted) in a UNIX terminal but the sort functions are only providing the format like this:
home:logs Home$ ls -1 | sort
...
3
votes
1answer
43 views
Why aren't CD image files listed when mounted in current directory?
When mounting a disk image in the current directory using :
sudo mount -o loop -t iso9660 wall.iso ./
Listing files in current directory only returns wall.iso .
To view the actual files on the disk ...
27
votes
5answers
2k views
The result of ls * , ls ** and ls ***
I know using the command ls will list all the directories. But what does the ls * command do ? I used it and it just lists the directories. Is the star in front of ls means how deep it can list the ...
3
votes
1answer
70 views
ACL, ls, “permission denied” and a lot of questionmarks
I have two users, Alice and Bob. Bob should be allowed to list, ls, Alice's home directory. Alice also has a file in her home directory that Bob should also be allowed to read.
I run these commands ...
11
votes
2answers
279 views
What is the number between file permission and owner in ls -l command output?
The output of ls -l command yields the following result:
What is the number field between file permission and owner? i.e. what are those 1, 1, 1, and 2? I checked the --help but that doesn't ...
21
votes
7answers
2k views
why does ls -d also list files, and where is it documented?
when specifying ls --directory a* it should list only directories starting with a*
BUT it lists files AND directories starting with a
Questions:
where might I find some documentation on this, ...
2
votes
1answer
87 views
cd and ls in the same call [duplicate]
I often have to cd to a directory and ls to see the directory listing. Can it be done with one shot, so that I can add to .bashrc as alias. I searched on Google, there were some answers, but ...
4
votes
4answers
69 views
linux + how to ignore (filter) file with space
Sometimes a file name is created from a couple of names and space between each name as the following:
$ touch "A B C"
$ ls
A B C <-- one file but has three words ! ...
13
votes
2answers
8k views
How do I do a ls and then sort the results by date created?
In what order are the dated ordered by? Certainly not alphanumeric order.
ls -lt sorts by modification time. But I need creation time.
3
votes
3answers
151 views
Something's special about /dev/fd/3
I've been trying to learn about file descriptors. When I type "ls -l /dev/fd/" I get
lrwx------ 1 me users 64 May 2 16:02 0 -> /dev/pts/5
l-wx------ 1 me users 64 May 2 16:02 1 -> ...
2
votes
4answers
100 views
Find directories that do not contain subdirectories
I'm writing script is ksh. Need to find all directory names directly under the current directory which contain only files, not subdirectories.
I know that I could use ls -alR and recursively parse ...
5
votes
3answers
274 views
When you type “ls -a”, what is the significance of “.” and “..”?
Whenever you type ls -a into the command prompt, you usually get all of your folders, files, and then you see that the first two entries are . and ..
Just curious, but what is the significance of ...
7
votes
2answers
251 views
List all files with the same inode number?
Lets say, when I do ls -li inside a directory, I get this:
12353538 -rw-r--r-- 6 me me 1650 2013-01-10 16:33 fun.txt
As the output shows, the file fun.txt has 6 hard links; and the inode number is ...
2
votes
6answers
133 views
sort ls output by users
On Linux, is there a way to sort ls output by users? What I try to achieve is something like this:
user_a file1
user_a file2
user_b another_file
user_c this_file
user_c ...
5
votes
4answers
138 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 ...
1
vote
1answer
57 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.
3
votes
1answer
118 views
Pass colors from ls through pipe to awk 'print' statement
This is a follow-up to my question from yesterday, Show sum of file sizes in directory listing.
Thanks to Zero Piraeus and a point in the right direction by Mauritz Hansen, I now have
function ...
1
vote
7answers
186 views
Convert ls -l output format to chmod format
Say I have the following output from ls -l:
drwxr-xr-x 2 root root 4096 Apr 7 17:21 foo
How can I automatically convert this to the format used by chmod?
For example:
$ echo drwxr-xr-x | ...
2
votes
2answers
71 views
Can I `ls` all files in a directory from “1”, “2”,…,“9”, “10”, “11”, …, “20”, “21”, …?
I have a directory with files named "1", "2",...,"9", "10", "11", ..., "20", "21", ... inside.
Can I list them in the order of "1", "2",...,"9", "10", "11", ..., "20", "21", ...?
I have tried ls ...
2
votes
1answer
24 views
Which option of ls should be used for understanding metadata changes?
How can one find the latest time of metadata changes to a file?
Let's say I changed the ownership of a file and then I did ls -l. It still shows the latest file changes. But I want to see the time ...
0
votes
1answer
56 views
What is the @ after directory listing mean? [duplicate]
so I have some files in a directory and when I type ls -l I get
-rw-r--r-- 1 home staff 275 Apr 9 16:01 index.js
-rwxr-xr-x@ 1 home staff 2565 Apr 8 10:38 person.js
-rwxr-xr-x@ 1 home ...
1
vote
4answers
154 views
Is there a command to list files, exclude sub-directories and display size and date?
Before I begin please assume I have only basic knowledge in UNIX. Basic meaning I have only started reading about it since last week for a work related purpose.
I have been experimenting with the ls ...
3
votes
1answer
61 views
Listing both ls information and mount points of a directory?
On my Ubuntu Natty, typically all new drives inserted (e.g. USB Flash thumbdrives) are mounted under /media. So, on my system, I can do something like this:
$ mount | grep '/media'
/dev/sda6 on ...
1
vote
1answer
78 views
What is a sure fire way to find all files and/or path that contains 2 keywords?
I was doing a
find . -iname '*sitesearch*' | grep demo
because I know the file should be some/path/SiteSearch/demo/SiteSearch.html, but it turned out a person put the file in as ...
8
votes
3answers
6k views
Linux ls to show only filename date and size
How can I use ls in linux to get a listing of filenames date and size only. I don't need to see the other info such as owner or permission. Is this possible?
0
votes
3answers
87 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
87 views
Must parse ls -Al output and get file or directory name [duplicate]
I must parse ls -Al output and get file or directory name
ls -Al output :
drwxr-xr-x 12 s162103 studs 12 march 28 2012 personal domain
drwxr-xr-x 2 s162103 studs 3 march 28 ...
10
votes
2answers
390 views
Highlight the three last updated files in ls output
Is there any way to overload or wrap the ls command so that it will highlight / underline / otherwise make obvious the last three modified files?
I know that I can simply ls -rtl to order by reverse ...
1
vote
1answer
44 views
mark or color empty directories for `ls`
ls's -F flag allows to see the types of file and distinguish directories. Is there a way to add a functionality to distinguish an empty directory?
2
votes
2answers
92 views
Working of rm/ls with [0-9]
I am learning the shell commands and came across the short tags eg.[0-9],[[:digit:]] etc.. As a proof of concept i tried deleting all the files with the rm command(i know its not a good practise but i ...
1
vote
1answer
72 views
starting vim with command substitution
I am working on a project on two different machines - one running Mac OSX 10.8.3, and one running Red Hat Enterprise Linux. On my Mac, I can do this:
vim $(ls -R */*.@(h|cpp) */*/*.@(h|cpp))
and ...
5
votes
4answers
332 views
Shell command to get all the files from a complex directory structure
I'm looking for a shell command in order to get all the files in a complex directory structure. By complex directory structure I mean that there's a root folder with more than 150 subfolders and for ...
3
votes
2answers
120 views
Why do . and .. have a file size of 4 kB and 12 kB, respectively? [duplicate]
As displayed by ls -al, for example:
drwxr-xr-x 9 jb jb 4.0K Mar 8 18:05 ./
drwx------ 49 jb jb 12K Mar 17 14:15 ../
I assume this is the minimum amount of space required to store the inode's ...
19
votes
3answers
988 views
What does size of a directory mean in output of 'ls -l' command?
What does size of a directory mean in output of ls -l command?
1
vote
2answers
387 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:
...
1
vote
1answer
228 views
`ls` command does not list latest directory contents
The Linux shell does not print up-to-date information when it comes to ls. For example I use my other processes (IDEs etc) to create some directories. However when I run an ls command I don't see ...
15
votes
2answers
3k views
Output from ls has newlines but displays on a single line. Why?
I think I may be overlooking a relatively fundamental point regarding shell. Output from the ls command by default separates output with newlines, but the shell displays the output on a single line.
...
7
votes
2answers
226 views
Is there a correct way to list the subdirectories of the current directory?
I can find the subdirectories of a directory by
ls -d -- */
or
ls -l | grep "^d"
but both of these seem indirect, and I would imagine that there would be a standard way to find just the ...
4
votes
4answers
200 views
List any file ending with .in and corresponding .out with shell script
I have a directory full of files ending with different extensions, how would I list/select only the files ending with .in and corresponding .out that share the same basename?
e.g.
file1.txt
file1.in
...
1
vote
1answer
50 views
Total vs listed directories [duplicate]
On a server when I type in ls -al I get a list of the directories
-bash-3.2$ ls -al
total 12
drwxr-xr-x 3 root root 0 Feb 13 2011 .
drwxr-xr-x 4 root root 4096 May 11 2011 ..
drwxr-xr-x 55 ...
3
votes
2answers
94 views
customise ls color for directories contain specified file/s
How can I colorize directories contain files with word INCORRECT inside?
Example:
I have 3 directories which contain log file.
dir_a/log
dir_b/log
dir_c/log
The file log in dir_c contain word ...
1
vote
2answers
167 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 ...
2
votes
2answers
388 views
list all files newer than given timestamp and sort them
I want to list all files (sorted by date) that are newer than timestamp in format 20130207003851 in directory /tmp only. Subdirectories can be omitted.
Using SUSE Linux Enterprise Server 11.
The ...
3
votes
2answers
191 views
Get the complement of the result of an ls command
Let's say I have a directory with multiple files, all of which are either binary files (files with no declared extensions) and source files (.c extension). I do this:
$ ls
and get:
README.md ...
