A file system structure in which to store computer files.

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How to calculate in linux number of file inside nested directories?

I need to extract information how much files are in some directory tree: /.../testRoot/test1/test11/..../file1 /.../testRoot/test1/test11/file2 /.../testRoot/test1/test11/..../file3 ...
5
votes
1answer
10k views

Will tar -cvzf packed.tar.gz mydir take hidden files into account?

I need to create a tarball of a given directory. However, I need to make sure hidden files are included too (such as those beginning with .). Will the following command automatically take the hidden ...
0
votes
3answers
3k views

Options for .hidden files?

What options exist for the .hidden file? I wanted to hide certain filetypes in a folder, but simply putting *.out, which I assumed would hide all files ending in .out, didn't work. :( I'm using ...
2
votes
1answer
730 views

Remapping keys in vim's “directory view”

The "Netrw Directory Listing" you get by opening a directory in vim (e.g. :e .) seems to use a different set of keybindings than plain vim for navigation I have my hjkl keys remapped thus: noremap d ...
3
votes
2answers
344 views

Is it possible to show the contents of a directory without changing into it?

I'd like to show the contents of a folder without first changing into it. for example: ---- Documents | | L_ Essays If I'm in Documents, how can I show the contents of ...
12
votes
1answer
2k views

How to find all the links to a directory

When I stat a directory I get a listing that tell me there are 5 links to the directory. stat dir My question is how do I get information (names and locations) to all these 5 links?
5
votes
1answer
6k views

mv file without write permission to the source file

I just realised that I can move a file that I do not own and don't have write permissions on. I have write permissions to the directory, so I am guessing that is why I could move it, but in this ...
5
votes
2answers
2k views

Trailing slashes on symbolic links to directories

I'm trying to emulate the process of path resolution (see man page path_resolution) in unix-like systems. My OS is Linux with GNU coreutils 8.7. In order to clarify the meaning of extra trailing '/' ...
5
votes
3answers
3k views

On deep-created directories

In Windows, there is a certain limit on the number of characters in a path, which restricts how deep a directory can be created. I was wondering what the case is like in Linux? Do you have some ...
64
votes
7answers
45k views

How to XZ a directory with TAR using maximum compression?

So I need to compress a directory with max compression. How can I do it with xz? I mean I will need tar too because I can't compress a directory with only xz. Is there a oneliner to produce e.g. ...
3
votes
3answers
240 views

Permissions for a submission script

I'm a TA for an introductory Python programming class (all work is done from the terminal), and I'm writing a project submission script. Ideally I want a directory setup like this: submissions/ ...
3
votes
1answer
92 views

What is the best way to find directories that exactly match a string irrespective of the path?

Suppose I have the directories: /foo/ /A/B/C/foo/D/E/ /F/foo/G/H/foo/I/ How can get a result that lists all the directories whose basename exactly matches a given string (for example foo in here)? ...
2
votes
2answers
3k views

How can I selectively copy files from one directory to another directory?

On Linux, how do I selectively copy most – but not all – files from a directory (dir1) to another directory (dir2)? I do not want to copy *.c and *.txt files to dir2. The cp man page ...
13
votes
3answers
11k views

Simplest way to password protect a directory and its contents without having to create new files?

I would like to password protect or encrypt a directory and all the files within it (for the whole directory tree below it). I do not want to bother the whole home directory, I want a specific ...
3
votes
2answers
188 views

How do I create a structured list of all the files and directories under a particular directory (recursively)?

I need to have an "image" of a file system without actual contents of the files - just all the names and the structure, so that I can read the file and know what files were stored there and how were ...
11
votes
4answers
2k views

How do I choose specific files in a different directory using bash?

I want to list (or delete, or do some other operation) on certain files in a directory, like this: $ ls /opt/somedir/ aa bb cc aa.txt bb.txt cc.txt $ ls /opt/somedir/(aa|bb|cc) ## pseudo-bash ...
1
vote
4answers
3k views

Strange directory name, shown with a backslash

I have copied and pasted a directory of files into another. The result is now this one development\ / I do not know what that means? Linux does not even recognize it as a directory now. Also the ...
8
votes
7answers
12k views

What's the best way to count the number of files in a directory?

If parsing the output of ls is dangerous because it can break on some funky characters (spaces, \n, ... ), what's the best way to know the number of files in a directory? I usualy rely on find to ...
1
vote
2answers
220 views

is setting a 0 permission on a directory an effective way to protect its contents?

Let's say that permissions for user and group are set up correctly on a directory. Would a 0 permission for other on that directory provide effective access control for the directory's files and ...
2
votes
2answers
933 views

Can I share a folder inside my home directory with another user?

Can I share a folder inside my home directory with another user? I have two users on a system, agent and daemon. An external server connects as agent and rsyncs files to ~agent/incoming I want ...
2
votes
1answer
638 views

Why can I copy files to, but not create files in, this directory? [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on I'm trying to create an md5sum for an ISO image created with the Ubuntu Customization Kit tools. The ...
15
votes
7answers
53k views

Using sftp to Transfer a Directory?

When I try to use sftp to transfer a directory containing files, I get an error message: skipping non-regular file directory_name The directory contains a couple of files and two subdirectories. ...
2
votes
1answer
12k views

How to change TFTP root Directory

How can I change root Directory of TFTP in RHEL 6 ? Default Location is /var/lib/tftpboot
3
votes
4answers
2k views

Accidental deletion of /lib directory in Fedora 15

I accidentally deleted the /lib directory on my Fedora 15 machine and I'm not sure how to go about fixing this. Any help in figuring out how to restore the directory along with symbolic links would be ...
4
votes
2answers
1k views

Create a partition from a directory

I have a Linux system with only one partition /dev/sda1 on /dev/sda disk with / mount point. Is it possible to create partitions after installation? e.g. create /dev/sda2 with the mount point /home/ ...
1
vote
3answers
5k views

Removing a directory hangs

I'm a non-root user on a shared compile server that mounts /home via NFS from some other host. I have a directory ~/a/b with lots of subdirectories c1,c2,.... I wanted to delete ~/a/b completely, and ...
1
vote
3answers
2k views

Error dropping database in MySQL 5.1 on Ubuntu

I am using MySQL v5.1 on Ubuntu machine. I have a database named my_db which I would like to drop it, so I execute command: mysql> drop database my_db; ERROR 1010 (HY000): Error dropping ...
2
votes
3answers
4k views

shell commands to check & create dir

I am writing a Ruby script inside which I would like to invoke/execute some shell commands. The shell commands I would like to run should check if a directory named 'tmp' under /var/lib/mysql/ exists ...
6
votes
1answer
2k views

What's the name of the top-level directory

I am using Ubuntu. I know by using cd ~/ , I can go to home/ directory. But if I want to go to the directory (I do not know the official name of this directory) which contains etc/, var/, opt/, ... ...
6
votes
2answers
16k views

Create target directory when extracting tarball

Is it possible to create a target directory, similar to mkdir -p, where I can define a non-existent target directory within my tar command, and tar will create the directory for me? I know I can ...
43
votes
5answers
74k views

Script to monitor folder for new files?

How do I detect new files in a folder with a bash script? I would like to process the files as soon as they are created in the folder. Is this possible to do so or do I have to schedule a script with ...
3
votes
2answers
1k views

A question about permissions of hierarchical directories

I have some directories, with following permissions: drwxr-xr-x 18 user1 root 4096 Oct 27 11:25 /home/test1/test2 drwxr-xr-x 24 user1 root 4096 Oct 21 08:38 /home/test1 drwxr-xr-x 492 root root 12288 ...
33
votes
5answers
23k views

Converting relative path to absolute path

Is there a *nix command to get absolute(and canonicalized) path from relative path(with current path) or symbolic link?
1
vote
1answer
343 views

How to search folder with only x set (execution) permission

I have read that if folder has only x set permission to execute it actually means that you are permitted to search this directory. So how to search it?
9
votes
6answers
4k views

Remove empty directory trees (removing as many directories as possible but no files)

Suppose I have a dir tree like this: ROOTDIR └--SUBDIR1 └----SUBDIR2 └----SUBDIR3 I am looking for a command such that when I input: $ [unknown command] ROOTDIR The whole ...
12
votes
4answers
5k views

How to run a command when a directory's contents are updated?

There is a directory A whose contents are changed frequently by other people. I have made a personal directory B where I keep all the files that have ever been in A. Currently I just occasionally ...
4
votes
1answer
2k views

How to exclude directories with blanks via locate's PRUNEPATHS?

I would like to exclude some Windows folders on an NTFS mount from being indexed by locate. I'm familiar with the PRUNEPATHS syntax in /etc/updatedb.conf. It is a white-space separated list of ...
41
votes
2answers
2k views

Why is '.' a hard link in Unix?

I've seen many explanations for why the link count for an empty directory in Unix based OSes is 2 instead of 1. They all say that it's because of the '.' directory, which every directory has pointing ...
0
votes
0answers
59 views

How can I log who creates a directory? [duplicate]

Possible Duplicate: Is it possible to find out what program or script created a given file? Is it possible to log which process/user/IP created a directory? I only found out that the ...
2
votes
2answers
2k views

Directory/files owned by a non-existent user

A user has created a directory with files, but the user does not exist in /etc/passwd or /etc/group. The system is a Fedora server with an FTP server and proxy which redirects to a CentOS server with ...
12
votes
2answers
8k views

Why can't I have a folder and a file with the same name?

I've never had this problem before, but for some reason, I can't rename my folder to packages/. This is the structure: root - packages_old/ - packages When I try to rename the folder with ...
91
votes
7answers
32k views

Why are hard links to directories not allowed in UNIX/Linux?

I read in text books that Unix/Linux doesn't allow hard links to directories but does allow soft links. Is it because, when we have cycles and if we create hard links, and after some time we delete ...
11
votes
2answers
8k views

How to make tree output only directories?

150 directories I can handle but 900 files is too many for a review. I've no manual entry for tree so maybe I can ask you if you know how to output only directories since files get too detailed? . ...
205
votes
3answers
111k views

How do directory permissions in Linux work?

In my CMS, I noticed that directories need the executable bit (+x) set for the user to open them. Why is the execute permission required to read a directory, and how do directory permissions in Linux ...
3
votes
1answer
1k views

Prevent a subdirectory from getting deleted / enforce a directory structure

imagine the following folder structure ../documents ../documents/templates I have two user groups: editors managers Users of both groups should be able to create new files modify any ...
4
votes
3answers
5k views

Replace symbolic link which linked to directory target

I want to upgrade tomcat server from 7.0.19 to 7.0.20. I've already ln -s apache-tomcat-7.0.19 tomcat7 before, so now I need to link tomcat7 to new target using the following command ln -s --force ...
26
votes
3answers
20k views

Is there any way to prevent deletion of certain files from user owned directory?

Let's say user has Directory1 and it contains File1 File2 CantBeDeletedFile How to make so the user would never be allowed to delete the CantBeDeletedFile? If I change the ownership of Directory1 and ...
4
votes
3answers
452 views

Delete files in a directory which are also in another directory

I copied a directory using this: cp -r dir/ ../../ without thinking and realized that it copied the contents of dir instead of actually dir to the above directory. Now I have a mess of files I need ...
3
votes
1answer
3k views

How can I make ls show information about the directory specified only, not info about its sub-files or folder contents?

Say I have folder "foo" residing, the home directory. I want to get some info of it, owner, group, permissions, etc... I then do this to try to get the information: cd ~ ls -l foo Of course it now ...
3
votes
2answers
441 views

Permissions of webserver's root directory

I've had this issue on several setups, and I'm unsure of how to handle it. At first, all of /var is owned by root:root. Clearly I don't want the web directory to be owned by root, so I do chown ...