0
votes
1answer
56 views

How to get the same ls with colors working on both OSX and Ubuntu?

When I want color in Ubuntu I do alias ls='ls --color=always' but on OSX this gives an error ls: illegal option -- - and I need to do alias ls ='ls -G' How can I create an alias with the same ...
9
votes
3answers
975 views

EXT3: If block size is 4K, why does ls -l show file sizes below that?

If you run ls -l on a file that contains one letter, it will list as 2B in size. If your file system is in 4k blocks, I thought it rounded files up to the block size? Is it because ls -l actually ...
1
vote
2answers
82 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?
5
votes
4answers
1k views

maximum number of files ls can list [duplicate]

Im using a script to delete old file in a directory, but the script kept showing /usr/bin : Argument list too long It turned out the number of files were 40000 and more, So I want to know what is ...
8
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 . ...
4
votes
3answers
159 views

ls on device without mounting it

Is it possible to run ls on a device without mounting it first? Something like this: # ls /dev/sda1
1
vote
2answers
5k views

How to sort results from ls command by modification date (directories first)?

I can fire ls -lrt to get files and folders sorted by modification date, but this does not separate directories from files. I want ls to show me first directories by modification date and then ...
3
votes
2answers
2k views

syntax of ls --hide= and ls --ignore=

ls --hide and ls --ignore provides the possibility leave out files defined through regular expressions set after the --ignore= part. The latter makes sure that this option isn't turned off via -a, -A. ...
4
votes
4answers
374 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 ! ...
0
votes
1answer
2k 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 ...
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 ...
9
votes
2answers
22k 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?
3
votes
5answers
430 views

Print non-existent files from a pipe input

I have a directory of lots of .PDF and .JPG files. There should be a .JPG file for each .PDF with the same name. I'm trying to use a command to find .PDF files that doesn't have a .JPG file. My ...
3
votes
1answer
1k views

What's the second column of ls -l say? [duplicate]

Possible Duplicate: What is the number between file permission and owner in ls -l command output? I've been using Linux for years now and I'm embarrassed to say that until now I didn't ...
16
votes
5answers
19k views

How to list all files in the size order

I would like to list all files in the order of big to small in size and the files could be present anywhere in a certain folder.
5
votes
1answer
180 views

Alphabetizing names in `ls` alias with .files not intermingled

I am currently using the following ls alias: alias ls='ls -alhGkpsq --color=auto'. This results in following directory listing. [03:35] bryson@brys ~ :$ ls total 48K 4.0K drwx------ 4 bryson 4.0K ...
5
votes
4answers
2k views

How to get the relative paths with ls?

I'd like to do something like this to move the last two downloaded files: mv ` ls -rt ~/Downloads/ | tail -2 ` . Unfortunately, ls only gives the filenames. How can I adapt the code above? (Before ...
10
votes
2answers
560 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 ...
8
votes
2answers
2k views

Output ls -l size field with digits grouped by thousands?

It is possible to make ls -l output the size field with digits grouped by thousands? If so, how? For instance: $ ls -l -rw-rw---- 1 dahl dahl 43,210,052 2012-01-01 21:52 test.py (Note the commas ...
1
vote
1answer
897 views

What does @ sign mean in 'ls' output on Mac OSX Lion terminal? [duplicate]

Possible Duplicate: what does the @ mean in ls -l? What does the @ sign mean in the following "ls" output? -rw-r--r--@ 1 root wheel 489 Jan 4 13:14 boot.plist
7
votes
1answer
843 views

Why isn't the ls command listing huge filesizes?

In my Redhat Linux, I am getting the following error when executing the ls command. # ls ls: sugar.sql: Value too large for defined data type
8
votes
2answers
735 views

What is the point of ls -f (or, why is this hanging?)

I've got a directory with about 100,000 files in it. ls -f hangs for over a minute. I ran strace, and immediately started seeing getdents, so ls is clearly reading the directory. I also see a lot ...
8
votes
3answers
3k views

How can I use ms-dos style wildcards with ls and mv?

I have the misfortune of coming from a MS-DOS background - but at least it makes me appreciate how much more powerful Linux is. I've been working on getting my Linux-Fu up to par, but there are a ...
11
votes
5answers
15k 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?
3
votes
1answer
987 views

ls -a not showing folder “system”, but echo * shows it

When I create a folder named system in my home folder, or in /tmp (can't try other locations as I am not root, but owner confirmed same problem even on root), ls -a will not show it. Also tried ...
14
votes
5answers
6k views

What is the difference between ls and l?

I accidentally typed l instead of ls today and found that the command still printed a list of the files in my current directory. Trying l --help brings up the help file for ls suggesting that l is ...
1
vote
0answers
141 views

How can I list only the directories present in a directory using ls? [duplicate]

Possible Duplicate: Is there any option with 'ls' command that I see only the directories? I have a directory with a lot of files but only a few directories. To get a list of only ...