A file system structure in which to store computer files.

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2
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5answers
10k views

Get the newest file from directory structure year/month/date/time

I store backups of databases in a directory structure year/month/day/time/backup_name an example would be basics_mini/2012/11/05/012232/RATIONAL.0.db2inst1.NODE0000.20110505004037.001 ...
2
votes
1answer
546 views

Hide parent directory but allow to view dir

I would like the following result on my UNIX system: ls -l /users/test -> permission denied, or any other way so I can't see the content of it. ls -l /users/test/testdir/ -> shows all files in the ...
1
vote
1answer
216 views

Rename directory based on date of file in directory

I am looking for a smart way to bulk rename directories in my photo library based on the date the pictures were taken. My specific use case: Export the image library from iPhoto or Aperture on OS X ...
2
votes
1answer
4k views

cannot 'ls' /mnt directory

I have a CentOS-6 machine that I'm working on that is running a live database. It's having a problem with the /mnt directory. I cannot ls the directory for some reason. stat is working and shows ...
3
votes
2answers
1k views

Why is bash giving me (apparently) conflicting information about a file?

Background I am working on a RHEL 5 cluster. I want my Fortran program to read the file /home/bob/inputs/input_1 I asked Bob to give me permission to read all contents of inputs: [bob@server]$ ...
5
votes
3answers
3k views

How to set an alias on a per-directory basis?

Suppose you have an alias go, but want it to do different things in different directories? In one directory it should run cmd1, but in another directory it should run cmd2 By the way, I have an ...
1
vote
2answers
1k views

Get directory that script was called from

I have a script doSmth in /usr/bin. Is it possible to print the directory the script was called from is printed out by the script? So If I call doSmth from /home/me the output will be /home/me.
29
votes
3answers
10k views

Flattening a nested directory

This is probably very simple, but I can't figure it out. I have a directory structure like this (dir2 is inside dir1): /dir1 /dir2 | --- file1 | --- file2 What is ...
2
votes
2answers
3k views

Using wildcards to match a directory in bash

Lets say the folder structure is like so: /home/ --user1/asdf --user2/asdf1234 --user3/asdf325234 --cool/asdf How could I change to asdf1234 without specifying the user? For example: cd ...
10
votes
3answers
4k views

How to switch to the directory listing from file view in vim?

I have opened a dir vim some/dir. I can navigate within the tree, yet once I opened a file I wonder, how do I close the file view in order to go back to the directory listing to navigate to another ...
7
votes
3answers
2k views

How to go back n levels of directories from the command line?

For example, I do the following cds in succession- cd /tmp cd /home/admin cd /root/ cd /some_other/directory Now I am in /some_other/directory. Now, is there anyway to go back to /tmp, the ...
3
votes
1answer
752 views

How come I can append to files to a directory without write permissions?

I understand this first example: > mkdir foo > chmod u-w foo > touch foo/test touch: cannot touch `foo/test': Permission denied > echo "BAD" >> foo/test bash: foo/test: Permission ...
25
votes
3answers
11k views

When should I use a trailing slash on a directory? [duplicate]

Possible Duplicate: How linux handles multiple path separators (/home////username///file) Most commands I use in linux behave exactly the same whether I include the trailing slash / ...
3
votes
3answers
919 views

How can I automate the process of copying files from one folder to another in Centos

I have a statistical application which runs every minute and creates charts accordingly. In order to make these charts available to other users, I need to copy the whole folder containing the charts ...
1
vote
3answers
172 views

Restructuring directories into a hierarchy

I have the following type of folder structure containing thousands of folders. The folder names are as such with different names etc .test .test.subfolder .test.subfolder.subsubfolder .folder ...
0
votes
2answers
20k views

How to change the working directory of invoking shell using a script? [duplicate]

Possible Duplicate: changing current working dir with a script I am trying to create few scripts that would change the working directory of the main shell/terminal. Not able to do so. I ...
12
votes
1answer
219 views

How to log all the events performed on directory?

How can I log all the events performed on a particular directory? I want to log the entry of each directory modified within some time duration. I am using find . -type d -mmin -5 command. In ...
2
votes
6answers
9k views

ls: Do not show directories that match same pattern in wildcard searches, only files

Supposing I have something like the following, a typical business PC situation: drwxr-xr-x 1 whatever whoever 3 Oct 3 16:40 invoices2009 drwxr-xr-x 1 whatever whoever 4 Oct 3 16:40 ...
6
votes
0answers
102 views

What's the size of a folder entry? [duplicate]

Possible Duplicate: What does size of a directory mean in output of 'ls -l' command? user@~ > ll /tmp/foo drwxr-xr-x 2 user user 4,0K 1 oct. 15:15 bar What are those 4,0K ? ...
3
votes
2answers
98 views

Are there widespread filesystems which represent directories with structures optimized for fast lookup?

In "The Art of Unix Programming", on the topic of The Terminfo Database I read: If you look in the terminfo directory, you'll see subdirectories named by single printable characters. Under each ...
2
votes
4answers
14k views

How to permanently change the file/directory permission [closed]

How do I change the permission of file/directories such that I am able to create, edit, delete files/directories anywhere in my system? Currently I am using Ubuntu 12.04. I tried sudo chmod 777 -r ...
4
votes
2answers
5k views

Create and move to a directory in one command - unix [duplicate]

Possible Duplicate: Is there a one-liner that allows me to create a directory and move into it at the same time? I know this is a very basic question but I can't seem to figure out what to ...
4
votes
2answers
101 views

Quicker Way to Reference a Directory?

This one is probably easy for all of you, but I have never had to deal with such a nested local set of directories. If I have a path like: /mnt/media2/Archived\ Files/_Transfer/ is there a way to ...
10
votes
5answers
18k views

Creating numerous directories using mkdir

I would like to create many directories using mkdir. Each directory name will consist of a prefix (a string) and an index (an integer). Suppose that I would like the prefix to be "s" and the indices ...
7
votes
4answers
21k views

“cannot remove 'some_directory': Directory not empty”

I tried to delete some directory, but $ rm DE.aspx_files -r rm: cannot remove `DE.aspx_files': Directory not empty But listing its content returns none $ ls DE.aspx_files $ Added: Actually $ ...
2
votes
2answers
342 views

cp file device:directory on Minix

In my operating systems class we had to modify the boot screen of the Minix OS. I understood just about everything we did, but at the end of the make for compiling the new OS, there's a line: cp ...
3
votes
2answers
2k views

How do I get this find and rename command to work with subdirectories? [duplicate]

Possible Duplicate: Recursive rename files and directories I have a large directory of music files that is often changing as files and directories come and go. My preference is to make sure ...
4
votes
6answers
9k views

Get a list of directory names with find

I know I can do this to get a list of directory names: find . -type d -maxdepth 1 The output looks like this: . ./foo ./bar I prefer the listing without ./. Is there a way to get find to output ...
5
votes
1answer
314 views

What does altering a file/directory mean?

From man ntfsundelete Look for deleted files altered in the last two days ntfsundelete /dev/hda1 -t 2d I wonder what altering files/directories mean? Does deleting some files/directories ...
3
votes
1answer
2k views

Can't rename a directory that I own

I have a directory with a big load of sub directories. I own all of them, and the permissions are all 777. pascal@azazel /box $ ls -al total 147872 drwxr-xr-x 293 root root 12288 aoû 22 19:44 ...
37
votes
3answers
29k views

Why unix mv program doesn't need -R (recursive) option for directories but cp does need it?

This is a kind of "wtf?" question, so I'm sorry if I will disturb someone's vision of how things should be or if I will just annoy you with the "stupid" question. I always get messed up when need to ...
3
votes
2answers
310 views

open a file using CDPATH and symlink

To quickly move around, I added a path to CDPATH that contains symlinks to different locations. I did this by adding the following line to .bashrc: export CDPATH=~/symlinks When working with ...
4
votes
2answers
1k views

Why can't I navigate into my Documents directory?

I'm in bash and running F17 as su. My pwd is /home/user and when I ls I see Desktop Documents Downloads Music Pictures Public Templates Videos However, I'm unable to cd into any of these. My ...
3
votes
1answer
341 views

How does the Linux file structure work?

I see the different folders bin, dev, mnt, proc, srv, sys, etc. What are the properties of all these different folders? What are there purposes? Are there files in some of them that I should not ...
1
vote
2answers
11k views

bunzip2 to a different directory

Say I have a file foo.tbz2 in a directory. I want to extract the tar file from the archive, but to a different directory. It seems like bunzip2 will only extract the archive to the same directory as ...
4
votes
1answer
368 views

xterm doesn't switch directory when it is moved

Recently I was very frustrated with xterm not behaving as expected. This is what I was doing: open xterm run the following commands: $ mkdir test_01 $ cd test_01/ $ echo 'a' > a $ cat a The ...
1
vote
1answer
127 views

Linking “..” do somewhere other than parent directory and other strange fs beharviors

Can the entry ".." become linked to someplace other than the parent directory? Is it possible to cause "tar" to create this weird behavior? Scenario: I have a pre-built compiler to a embeded system, ...
1
vote
2answers
1k views

RewriteRule to cause subdomain to load another DocumentRoot?

I could sure use a little help with what I am trying to do with a RewriteRule in .htaccess: ...to causes URLs using our sharpedge. subdomain to auto-load from the Internet_IE directory - one level ...
3
votes
6answers
1k views

Make directory copies using find

I have a directory with a bunch of subdirectories in it. Thus /usr/local/src/ccl/ccl-1.8/x86-headers$ ls elf gl gmp gnome2 gtk2 jni libc Each of these directories has a further subdirectory C ...
3
votes
3answers
6k views

Rename multiple directories

I want to find all directories with the last subdirectory named doc, for then rename them to Doc. How can be renamed? I've the first part: find -type d -name 'doc' which returns directories paths ...
4
votes
2answers
2k views

How can I stop ls from descending into directories, similar to prune for find?

If I type ls *ro* I also get files in subdirectories that match the *ro* pattern. Is there any option for ls similar to prune? Ideally a flag, otherwise perhaps an exec?
4
votes
1answer
257 views

od emulation for directories

I was wondering why od(1) used to work in UNIX but doesn't work in GNU/Linux. There is a nice answer on serverfault. The next question is, are you aware of any tools that can emulate od behavior to ...
2
votes
2answers
157 views

What does it mean when the output of $ls -lasrt includes '.' and '..'

I input the command: $ ls -lasrt And the output includes (there are more results, these are the ones that confuse me): 4 drwxr-xr-x 5 tuc40953 stdchem 4096 Jul 3 17:48 .. 4 drwxr-xr-x ...
0
votes
2answers
4k views

How can I rename all files in the current directory having a particular extension to another extension? [duplicate]

Possible Duplicate: Renaming multiple files (changing extension) Suppose that in my current/working directory I have five files: file1.xvg file2.xvg file3.xvg file1.eps file2.eps Is ...
12
votes
3answers
51k views

How can I delete all files with a particular extension in a particular folder?

If I set the current/working directory (navigating to it using cd) to some particular directory and then type: rm *.xvg What will this command do? Is it true that the above command will only ...
14
votes
5answers
10k views

How can I copy a file and create the target directories at the same time?

I want to cp aaa/deep/sea/blob.psd to bbb/deep/sea/blob.psd How do I do the copy if the deep and sea directories don't exist under bbb so that the copy both creates the directories that are needed ...
1
vote
1answer
313 views

How to find/correct error in a path

It's often that a long path is mistyped or you get a log file entry that a path does not exist. Is there a command or shell function that navigates the path hierarchy until it finds a matching path? ...
36
votes
6answers
45k views

Find the total size of certain files within a directory branch

Assume there's an image storage directory, say, ./photos/john_doe, within which there are multiple subdirectories, where many certain files reside (say, *.jpg). How can I calculate a summary size of ...
4
votes
2answers
4k views

I want to tar X directory not including its parents

tar cvf /var/lib/backup/sample.tar /home/user/.project However, when I extract, I get its parents as well /backup/ - /home/ - /user/ - .project/ This tar commands does it job ...
26
votes
2answers
5k views

Where do the files go if you mount a drive to a folder that already contains files?

I just accidentally mounted a new drive to a folder that already contained files. I don't care about them and have them somewhere else, but that folder appears empty now. I'm curious what happened ...