The ls command lists the contents of a directory.

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2answers
30 views

Why is there a minor number in /dev for directories such as pts?

This is a part of /dev in CentOS 6.6. What is the meaning of the minor number for directories like ., .. , bsg, block and ... ? drwxr-xr-x. 18 root root 3800 Jul 3 06:00 . dr-xr-xr-x. 21 ...
0
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1answer
40 views

Meaning of chmod 1775

Created a folder "Sample_dir" and analysed its permissions. $ mkdir Sample_dir $ ll Sample_dir/ total 36 drwxrwxr-x 2 user user 4096 Jul 1 19:26 ./ drwx------ 71 user user 28672 Jul 1 19:26 ../ ...
1
vote
2answers
121 views

How to use logical OR in find?

In bash shell ls can use a logical OR functionality through (of course I could also do ls name1 name2 but my true examples are more complicated): ls @(name1|name2) Is there a way to do this using ...
-1
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0answers
19 views

What does ls > list do, what does ls >> list do? [duplicate]

I have been asked to explain how and why ls > list and ls >> list are different, unfortunately I don't even know what either of these do :( Also when I typed them into Linux nothing seemed to ...
2
votes
1answer
200 views

sudo ls not showing hidden files on Linux

Today I discovered that sudo ls shows hidden files (that is, those that have names starting with .) on OS X. This surprised me so much that I asked a question about this behaviour, which I still find ...
0
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0answers
64 views

Completely hidden directory on ACFS imported via NFS

how is this possible: [root@oda001-d0 .ACFS]# pwd /OVS/Repositories/repo1/.ACFS [root@oda001-d0 .ACFS]# ls -la .. total 148 drwxr-xr-x 8 root root 4096 Jun 23 11:45 . drwxr-xr-x 5 root root 4096 ...
0
votes
1answer
25 views

Find directory names with N occurences of a set of characters

Sorry in advance, I know there are hundreds of posts about find, but I genuinely don't understand what's happening here and haven't been able to find a definitive answer to this question: how to match ...
1
vote
1answer
52 views

change LS_COLORS behaviour

I am trying to modify LS_COLORS behavior. Presently it (say for sh or py), changes color depending on if it is executable or not, as shown here But, I want all my script, executable or not, have ...
11
votes
1answer
809 views

'ls' showing two identical files in a directory

So somehow the command ls seems to be showing me two identical files in a directory. I am certainly not doing something right here. Behold $ ls -Blah /System/Library/LaunchDaemons total 32 ...
0
votes
1answer
35 views

How do I make 'sudo ll' work? [duplicate]

Every once in awhile, I find myself needing to list files in a directory that I don't have execution permission on. So I do a sudo: >sudo ll /opt/mydir [sudo] password for civfan: sudo: ll: ...
1
vote
4answers
266 views

How to use regex to match a pattern which does not have a specific string at the end

How to use a posix bre or a posix ere regex to match a word which does not have bak at the end. I want to do a ls | egrep '<regex>' to find all files which DO NOT have bak at the end of ...
1
vote
1answer
48 views

why grep does not print the entire line? [duplicate]

When I enter ls command I get the below output. -$ ls aNode ANode bNode BNode cNode CNode DUMP file1 hello.txt TEST.txt -$ As seen, above output is one line which has filenames separeted ...
4
votes
1answer
139 views

Permission errors even permissions are wide open

I installed anaconda on our new VM and I can't list it's contents. I can change my directory to .../anaconda/ but when I type ls -l I get: ls: cannot open directory .: Permission denied However, ...
0
votes
3answers
40 views

What rights signify when using ls -l? [duplicate]

When I type ls -l and press enter I get a list of files, with details about each file. Next to each file there is permissions and rights for each file. What do they mean? For example: -rw-rw-rw- I ...
0
votes
1answer
43 views

How to create a bash script that sees all files in a directory and tells me their size and date of creation?

I'm a beginner in the field of programing/coding. I'm trying to write a simple bash script that will see all files in a directory, and then tell me each file's size and each of their dates of ...
2
votes
5answers
131 views

Get Comma Delimited List of Initials of Items in Directory?

How can I generate a comma-delimited, case-insensitive list of the first characters of the names of the files and directories in a directory, excluding initial "." items, without duplicates? I don't ...
0
votes
1answer
60 views

What does this ls command do? [duplicate]

what does this command do if it was executed in my current working directory that has files in it? ls 2> result I think whatever ls writes will be redirected to the result file? Is that correct and ...
20
votes
9answers
2k views

Find files whose name is 4 characters long

I would like to find files whose name has only 4 characters. Example, there are three files under /tmp: $ ls /tmp txt file linux Output should only show file because it only has 4 characters.
4
votes
2answers
104 views

ls -e option not available in linux

I have shell scripts that run on Solaris UNIX that use the -e option on ls to ensure the same format for all files regardless of their age. This option is not available on Linux. The exact same ...
1
vote
2answers
38 views

User cannot see directory permissions

I'm working in Ubuntu 3.13. The permissions on a drive are such that the owner can see directories and files with these permissions: drwxrwxr-x 2 michael atlas 4096 Feb 15 12:34 temp2 ...
0
votes
4answers
63 views

Why does my “ls -a-l /home” not work?

Marias-MacBook-Air:~ mariasharapova$ ls -a /home . .. Marias-MacBook-Air:~ mariasharapova$ ls -a-1 /home ls: illegal option -- - usage: ls [-ABCFGHLOPRSTUWabcdefghiklmnopqrstuwx1] [file ...] ...
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1answer
50 views

list files in ascending order

I am trying to display file names(with complete path) based on the created timestamp in ascending order. if files exists: display files with complete directory path in asc order. if files do not ...
3
votes
2answers
152 views

change file size format when using stat

The formatting character %s makes stat print the filesize in bytes # stat -c'%A %h %U %G %s %n' /bin/foo -rw-r--r-- 1 root root 45112 /bin/foo ls can be configured to print the byte size number ...
0
votes
2answers
38 views

'+' and 's' in permission strings

If the ls -l command gives me a permission string like rwsr-s--x What does the 's' mean? The only sources I found mention that it can be present sometimes but do not elaborate. What does a '+' ...
0
votes
1answer
11 views

see newest release last (YML release files with the same timestamp from Git)

I pull from Git *yml files with "$packagename-$release.yml". The highest number is the most recent release. I wish to have the listening with latest release last. Correct sort order ...
0
votes
1answer
53 views

What's the -alhF flag in ls?

What is the -alhF flag in ls? I can't find it in the man page.
0
votes
3answers
94 views

Concat 1000 files within a directory [closed]

I know we can concat files by cat file [file] [[file] ...] > joined-file. I have directory which contains lots of files. I want to concat all of them. I want to concat 1000 files irrespective of ...
4
votes
4answers
141 views

How to show only the last k columns in ls -l?

I like to restrict the columns shown in ls -l command, by eliminating the first 4 columns. ls -lh shows: drwxr-sr-x 20 gamma alpha 4.0K May 22 13:18 Desktop drwxr-sr-x 3 gamma alpha 22 Oct 6 ...
1
vote
1answer
20 views

LS_COLORS for 256-color terminal

I thought ls colors are defined as <file_type>=[<bg(40-47)>];<font_spec(0:5)>;<font_color(30-37)> but, I recently found this where there are more colors and colors are ...
1
vote
1answer
16 views

Screen bind key requires extra Enter (RET) key

I was playing around with GNU Screen's configuration and put the following configuration in ~/.screenrc: bind l eval 'exec ls' So, now when I type C-a l, it runs ls under the current directory. ...
1
vote
1answer
41 views

Assigning ls output to a variable gives unexpected behavior

I was writing a script to clean a text file from a directory (I know,it's a bad idea but I really need it) and I wrote this: #!/bin/bash var=$(ls -p /direcotry/to/file | grep -v /) truncate -s 0 $var ...
1
vote
0answers
56 views

How to understand the security context in “ls -Z”?

After referring "man ls", it shows "ls -Z" can display the security context: -Z, --context Display security context so it fits on most displays. Displays only mode, user, group, security ...
0
votes
1answer
48 views

`ls / | wc -l` tells more lines than `ls /` shows [duplicate]

ls / outputs two lines. $ ls / bin cdrom etc initrd.img lib lost+found mnt proc run share sys usr vmlinuz boot dev home initrd.img.old lib64 media opt root sbin ...
2
votes
2answers
55 views

Efficient search of unique owners of files and directories

I would like to view the unique owners of all the files and directories underneath a certain directory. I have tried: ls -ltR <dir-path> | grep -P '^[d|\-]' | awk '{print $3}' | sort | uniq ...
0
votes
1answer
59 views

Solaris: How to run a system command on top of awk and combine all output in a single line

Have this peculiar requirement to print files in a given directory in the below mentioned format filename1 <type of file> owner group filename2 <type of file> owner ...
-1
votes
1answer
28 views

Advice with How to Return the # of Files found within a folder [duplicate]

Create a script to ask a user for the name of a folder and have the script return the number of files found within the folder. If folder doesn't exist, display error message to the screen I've gotten ...
0
votes
2answers
57 views

find and list -R returning different number of files

I'm trying to create an array variable with a list of files to use in a small script, needing the full path to the file. Looking around I tried something like this: find /path/ -t f | grep ...
5
votes
2answers
347 views

What defines “ll” in Fedora?

In Fedora, instead of typing ls -l, you can type ll. What causes this behavior? I've installed a new Debian system that does not appear to have this functionality. They're both running Bash. I can ...
6
votes
2answers
165 views

Exclude one directory in `ls` matching pattern

I'm trying to ls dirs that have .png files inside (no need for recursiveness, though it would be extra useful), exept one. Exlude one directory i.e. ls */*.png works fine. ls (^one)*/*.png ...
0
votes
4answers
116 views

Foreach loop for ls output

I am trying to process some files in directory using foreach loop for ls output: IFS=$'\n' for i in $(ls -1Atu); do echo "$i" done At first time i thought it works, but when i created file ...
2
votes
2answers
177 views

ls pattern matching

I know that [] is working in ls pattern matching: $ ls foo.c foo.h $ ls foo.[ch] foo.c foo.h but I cannot find where this is documented. I would like to know the syntax that would match these: ...
1
vote
5answers
88 views

Difference between 'ls -ltr abc*' and 'find ./ -name abc*' command? [duplicate]

To search a file in a directory, I found two commands as below: ls -ltr initialfilename* find ./ -name initialfilename* Sometime, first command gives me the search result but sometime I used to ...
0
votes
3answers
189 views

How do I copy the latest file from one directory to another?

I have 3 zip files in a directory. I want to copy the most recent version to a backup directory. My code works fine for .sh and other files, but not for .zip. Is there something else I have to do? ...
-1
votes
2answers
56 views

Linux Bash Scripting Issue with Wildcard

I'm having issues with what I imagine should be a simple bash command I'm basically just trying to loop through a bunch of files and get there names `ls ./*.sql` # list all files ...
1
vote
1answer
51 views

How to distinguish between output of numerous similar commands

Say I am issuing ls -la in a directory that has hundreds if not thousands of files, then changing to another directions and issuing ls -la. I then need to scroll up to see what files are in the most ...
1
vote
2answers
63 views

How to list only the last line of each directory?

I learned thanks to you, how to display only the last line of a listing,e.g. ls -ltr | sed '$!d' Now I thought, how to combine it with the find command, in order to repeat this onto each directory ...
0
votes
3answers
44 views

How to display only the last line of a listing ?

Supposed I make a listing and sort the files by its temporal attribute: ls -ltr -rwxrwxrwx 1 bla bla 4096 Feb 01 20:10 foo1 -rwxrwxrwx 1 bla bla 4096 Feb 01 20:12 foo2 . . . -rwxrwxrwx 1 bla bla ...
1
vote
1answer
86 views

Why are files and directories colored in different ways? [duplicate]

On Ubuntu 14.04, in bash under gnome terminal, Why are files especially directories colored in different ways? The green colors hide the text to me (How about to you?). Is it done by terminal or ...
1
vote
2answers
75 views

ls or find option to exclude binary files

How can I list only files that aren't compiled code in the current directory? I'm reviewing the custom scripts and code on several HPUX and Linux servers before transferring them to a newer system. ...
0
votes
1answer
116 views

du and ls commands reporting wrong directory size

I'm used to the du command. I often use it with -h option. I report the result in a text file which I use to track space consumers. But I was wondered today to see a directory being reported as using ...