The ls command lists the contents of a directory.

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2
votes
2answers
850 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 ...
1
vote
1answer
104 views

How can I list hidden directories, then directories, then hidden files and finally files with ls?

I'm trying to figure out how to list the contents of a directory in the following group order: Hidden directories Non-hidden directories All other hidden files (including regular files, symlinks, ...
2
votes
0answers
47 views

What uses Linux “application memory”?

Just for fun, I wanted to watch what ls -lR / does to my "buffers" memory on a Linux system. As expected, the value increased. But I noticed that the "application memory" (i.e. "used" - (buffers + ...
0
votes
0answers
30 views

Pipe to `ls` Not Working as Expected [duplicate]

When I issue: [dave@dhost ~]$ which tar | ls -l I get the output of ls -l of the pwd. I expected to get: -rwxr-xr-x. 1 root root 395472 Feb 21 2013 /bin/tar Why doesn't the pipe work as I ...
1
vote
1answer
81 views

List files from time X to time Y

How to list out all files created between from 'x' to 'y' time? I want to list out files created between "29-dec-2014 18:00" to "30-dec-2014 18:00". Using ls or stat?
3
votes
3answers
189 views

How to inspect the contents of /dev/sdt?

I have what I hope is not a huge problem, but could end up being a very large problem. For some context, I mistakenly ran this command on my 27'' iMac: sudo dd if=ubuntu-rescue.img of=/dev/sdt ...
2
votes
1answer
46 views

GNU ls long listing without permissions/mode bit

Is it possible to make GNU ls omit permissions/mode bits in long listing? If not, is there an alternative, practical and commonly available program that is more flexible?
2
votes
1answer
38 views

Disable of coloring for ls on NTFS filesystems

I like to have the output of ls colored so I quickly can spot files of specific types, however I have a separate disk in my computer which uses a ntfs-3g filesystem, this means that everything has ...
1
vote
3answers
76 views

ls option to cancel '-h'

I aliased ll to ls -alh. Is there an option to cancel the -h temporarily, so I can do ll -? instead of ls -al?
1
vote
2answers
591 views

How can I list LS_COLORS in colour?

I recall that eval "dircolors -b" used to display the colours that LS_COLORS was using, based on the file types or extensions. It was not simply the colour values that were displayed but the colours ...
1
vote
1answer
130 views

ls --color=auto (dir colors) not working in one directory

I changed ownership of a folder to provide restricted access to some users (it previously was only visible to root) and after that, all files are now one color (bright green) and directories are blue. ...
0
votes
1answer
30 views

How to create a file name for the pipeline to delete all files?

So I want to delete all files in my current directory using the following pipeline: ls | sed -rn 's/(.*)\.jpg$/mv -n & \1.jpeg/pi' | sh How to create a file, named so that running the above ...
0
votes
3answers
108 views

Number of files in a directory starting with specific text

How to get count of files in a directory starting with specific text like dataxxx.csv
2
votes
3answers
355 views

only show the source file and target linked file using `ls`

I can show the target file that a link points to using ls -l: snowch$ ls -l /usr/local/bin/mvn lrwxr-xr-x 1 snowch admin 29 12 Dec 08:58 /usr/local/bin/mvn -> ../Cellar/maven/3.2.3/bin/mvn Is ...
1
vote
3answers
580 views

List files that do not begin with a specific prefix

I need to list only the files in a directory that do NOT begin with qc_dl, qc_dt or qd_df, but that also DO end in .sas. I can list the files that do not begin with "qc_dl" as such: ls -I "qc_dl*" ...
12
votes
6answers
13k views

How to report number of files in all subdirectories?

I need to inspect all sub-directories and report how many files (without further recursion) they contain: directoryName1 numberOfFiles directoryName2 numberOfFiles
2
votes
1answer
1k views

LS_COLORS settings for specific types of files

I'm trying to set up my color scheme for ls, and I'm having trouble finding information about exactly what parameters I have to work with, or where those come from. And especially setting colors for ...
0
votes
2answers
87 views

How can I capture two columns of ls output in a bash script

I want to create a script to delete any directories with numeric groups. What I have so far captures and analyzes the group: #!/bin/bash re='^[0-9]+$' for x in `/usr/bin/ls -l /var/indexes | sort ...
1
vote
3answers
398 views

What does “>” do vs “>>”? [duplicate]

I am currently doing preparation for my GCSE computing controlled assessment on Linux. I type ls > list and ls >> list into the command line, but it does not do anything. I have googled it ...
8
votes
4answers
8k views

How to turn off color with `ls`?

It is normally nice to have color output from ls, grep, etc. But when you don't want it, is there a switch that can turn it off? ls -G turns it on (with BSD-derived versions of ls) if it's not the ...
0
votes
3answers
480 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
63 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 ...
0
votes
1answer
70 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
3answers
73 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
129 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 ...
1
vote
1answer
219 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
73 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
2k 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 ...
3
votes
4answers
154 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$ ...
1
vote
3answers
453 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
233 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
2k 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
280 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
91 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 ...
3
votes
5answers
272 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
3answers
193 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
83 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
467 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
291 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
185 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 ...
23
votes
2answers
61k 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
199 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 ...
6
votes
1answer
109 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
128 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
74 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 ...
12
votes
7answers
47k 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 ...
0
votes
1answer
219 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
194 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
436 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 ...
0
votes
1answer
104 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 ...