A file system structure in which to store computer files.

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9
votes
3answers
2k views

Stay at same working directory when changing to sudo

When working on the command line, I often change to sudo using sudo -i. However, my working directory changes automatically to /root. I never want to go there; I want to stay where I was! How can I ...
1
vote
1answer
724 views

Trouble installing lxml with custom install location for libxml2/libxslt

I am attempting to install a python module called lxml to my account on a supercomputer running RHEL. I do NOT have root access or super user status. lxml requires the dev/devel versions of libxml2 ...
1
vote
2answers
124 views

Does change of a file in a directory not change the time of the directory?

I want to find a file which I created recently, but I don't remember anything and can only guess it is under a directory indirectly with any possible depth. I inspected the times of all the ...
2
votes
1answer
30 views

what is directory entry?

I have to use the dirent.h in some of my C projects. According to various different descriptions found online, I have come to a vague idea that directory entry is a data structure, which tells us ...
2
votes
1answer
30 views

When does adding `/` to a directory change its meaning?

When does adding / to a directory change its meaning? E.g. from Linux in a Nutshell: Transfer the entire directory proj to the /planning directory on remote host ourhub: $ rsync -r proj/ ...
13
votes
7answers
54k views

How to remove all the files in a directory?

I am trying to remove all files and subdirectories in a directory. I used rm -r to remove all files, but I want to remove all files and subdirectories, excluding the top directory itself. For ...
1
vote
3answers
7k views

using root to mkdir in another users home directory

having a bit of a difficult time trying to create a folder under another user's /home/devuser1/pubic_html folder. I'm trying to avoid using sudo and looking for an alternative. The permissions on the ...
41
votes
6answers
8k views

The result of ls * , ls ** and ls ***

I know using the command ls will list all the directories. But what does the ls * command do ? I used it and it just lists the directories. Is the star in front of ls means how deep it can list the ...
2
votes
1answer
41 views

Why can't a group member create a file in a directory with 760 permissions? [duplicate]

I have an account with secondary group membership in a group that owns a directory. The directory is chmod 760, which should allow writing to the directory, but not listing it. However, this is not ...
1
vote
1answer
47 views

No such directory after creating it

I'm taking a basic Unix course and right now we're learning terminal. My directions are create a directory called company and subdirectories called sales, accounting and marketing. So I did that. ...
1
vote
1answer
42 views

Using the test command to create a directory if it doesn't exist

I was just wondering whether or not this script code would properly test for the existence of a dir2, and if it doesn't exist, then to create it. Dir1 already exists. [ ! -d /dir1/dir2 ] && ...
2
votes
1answer
63 views

Is it possible to access any file or dir within a non-accessible directory? [duplicate]

Say I set my home /home/john directory as not readable for any other user. But I've forgotten to do so with some files within that directory, say ./.bashrc or ./Downloads/Presentation.ppt. Now, if ...
0
votes
1answer
20 views

linux (general) file/directory rename/delete operations under os permission scheme

In linux, do file/directory rename/delete operations belong to write permission?
19
votes
7answers
10k views

Merging folders with mv?

If I move a folder with mv called "folder" to a directory that already contains "folder" will they merge or will it be replaced?
2
votes
4answers
81 views

Check in ksh if a directory is empty

How do I check if a directory is empty or not in ksh on AIX? If files exist I need to remove files only.
2
votes
2answers
7k views

Create target directory when extracting tarball

Is it possible to create a target directory, similar in nature to the mkdir -p switch, where I can define a non-existent target directory within my tar command, and tar will create the directory for ...
11
votes
4answers
1k views

Should I include a trailing slash / in a symlink to a directory?

Symlinking to a directory gives to different results with ls -l depending on whether I ln -s dir or ln -s dir/. But what's the actual difference, and which one should I prefer why?
0
votes
2answers
34 views

Unable to view or change file permissions [duplicate]

I tried to view file permissions $ ll yaan/ ls: cannot access yaan/.: Permission denied ls: cannot access yaan/Nenje Nenje - TamilTunes.com.mp3: Permission denied ls: cannot access yaan/..: ...
0
votes
1answer
8k views

enable apache mod rewrites to load clean-urls

In CentOS, a2enmod rewrite results in “command not found” but httpd -M lists rewrite module as listed and shared. I'm trying to enable it so can then have these rewrite rule apply so I can switch back ...
1
vote
1answer
35 views

Make files in a directory not visible to anyone

So I am a newbie in Linux(Ubuntu) and want to make files in a directory invisible to everyone. Through invisible I mean that the file must not show up when I use the find * command. Any Help? My ...
3
votes
2answers
884 views

Delete all files except in a certain subdirectory with find

I want to recursively delete all files not accessed in a while in folder a, except all files in the subfolder b. find a \( -name b -prune \) -o -type f -delete However, I get an error message: ...
35
votes
3answers
20k views

How can I calculate the size of a directory?

How to know the size of a directory? Including subdirectories and files.
3
votes
1answer
74 views

Triple dot wildcards

I have a very large directory structure of source code that is very difficult to work with. I would like to run a tool to transform it to a Maven like structure that works better for me. When I have ...
76
votes
6answers
21k views

Why hard links not allowed to directories in UNIX/Linux

I read in text books that UNIX/Linux doesn't allows hard links to directories but soft links do. Is it because, when we have cycles and if we create hardlinks, and after some time we delete the ...
1
vote
0answers
32 views

Server Authorization directory incorrect ownership during linux mint installation

When installing linux mint 17.1 from a bootable usb onto a hard drive I get the following message: 'Server Authorization directory (daemon/servAuthDir) is set to /var/lib/mdm but is not owned by ...
0
votes
3answers
3k 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 ...
0
votes
1answer
21 views

Permissions to see content

If the owner/group of a folder and/or is set to 0 0 (zero zero), can I see its content? I'm trying to access a directory with such permissions.
85
votes
1answer
95k views

How to set default file permissions for all folders/files in a directory?

I want to set a folder such that anything created within it (directories, files) inherit default permissions and group. Lets call the group "media". And also, the folders/files created within the ...
1
vote
1answer
20 views

Understanding directory symlinks traversals and the parent directory

Let's say you have directories /dir1 and /dir2/linked, where the later is a symlink to the former. When you cd to linked and pwd, you get the output /dir2/linked. If you then cd .., you'll be put on ...
32
votes
5answers
23k 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. ...
2
votes
2answers
35 views

How to gunzip files present in multiple subdirectories in subdirectories

I am learning Linux and I was trying the gzip command. I tried it on a folder which has a hierarchy like Personal/Folder1/file1.amr Personal/Folder2/file2.amr Personal/Folder3/file3.amr ...
0
votes
2answers
564 views

Create a directory if it doesn't exist in TCL

I write expect script that login to remote machine and run there some scripts But I need also to verify the following Verify if directory /var/cti/adm/APP exists. If APP not exists under adm ...
9
votes
5answers
14k 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 ...
0
votes
3answers
42 views

/mnt directory is removed undesirable!

Accidentaly I have removed my /mnt directory... how can I restore it? with the exact permissions and etc??? This directory was empty.
2
votes
2answers
38 views

How to copy a folder by another, but NOT by merging/adding

I am doing backups of a directory with a simple: cp -R /production/directory /backups/location Sometimes I need to restore a backup, but doing: cp -R /backups/location/* /production/directory or ...
4
votes
2answers
684 views

Why does ls display a non-existing file?

I want to list all the files whose name begins with uppercase: [root@localhost /]# ls /usr/bin/[[:upper:]]* /usr/bin/AtoB /usr/bin/GenIssuerAltNameExt /usr/bin/PKCS12Export ...
0
votes
1answer
43 views

Hide directory listing? chmod 730 /home/share? [duplicate]

So I want to hide the listing of all files to a particular group, yet I want them to be able to create/read files in that same folder. The following permissions on the folder appears to work (write ...
1
vote
1answer
18 views

How to commit a directory in CVS?

I know CVS is pretty old but have to use it in company. Recently we have upgraded a library to the latest version. Now we want to replace the old library with new library. So basically we want to ...
1
vote
1answer
56 views

rsync recursively with a certain depth of subfolders

I want to rsync a folder recursively but want subfolders included only to a certain depth. For example I would want a depth of 1,2,3 or 4 subfolders like this: source/ ├── subfolder 1 │   ├── ...
38
votes
4answers
31k views

What is the 'working directory' when cron executes a job

I have a script that works when I run it from the command line, but when I schedule it with cron I get errors that it cannot find files or commands. My questions is twofold: When I schedule a cron ...
5
votes
2answers
9k views

rsync compare directories?

Is it possible to compare two directories with rsync and only print the differences? There's a dry-run option, but when I increase verbosity to a certain level, every file compared is shown. ls -alR ...
0
votes
0answers
18 views

How can I set a folder undeletable but have R/W permissions to it's content [duplicate]

I have a directory which I'd like to mark as not deleteable, but have all the usual permissions of read/write/delete on all subdirectories and files. How can I achieve this? I tried setting the ...
0
votes
5answers
63 views

Difference between including / at the end of a directory path and and omitting it

I am just wondering is there a difference in what happens when I leave / at the end of a file path for example: root /var/www/website.com/ And omitting it like: root /var/www/website.com How is ...
1
vote
3answers
70 views

How can I determine if an NFS remote is exporting a directory?

In my script, I have several layers of statusing: remote is available (ping) remote NFS service is active remote NFS is exporting a certain directory remote NFS is mounted (mount) For (2) and (3), ...
1
vote
1answer
59 views

Tiny directory on ext4 file system taking up 2024 blocks? [closed]

I have an ext4 file system on my work computer and I came across a directory that is taking up >1 mb of space. There are 7 entries in the directory. The directory hasn't ever contained more than 20 ...
4
votes
1answer
8k views

How to make a Desktop “shortcut” that opens the terminal but under a different directory than the default home?

Objective I am looking for an easy way to consistently run a terminal that automatically opens to a specific directory. Is there a way to do that without changing the default directory? Preferably I ...
0
votes
1answer
10 views

Multiple users' access to directory

I'm running Arch Linux. My website's files are in /home/user/www/ directory. Another users also have their website's files in /home/foo/www/ directories. Now if I want to change something on their ...
-2
votes
2answers
60 views

Can I copy multiple directories into a single directory with a single command?

I have used photorec to recover data from a HDD and now have many directories /home/ray/recup_dir.1, to /home/ray/recup-dir.598 taking up valuable space in my Home directory. I want to copy them ...
1
vote
3answers
242 views

Directory filenames with sed with whitespaces

I'm working on a script and I'm stuck, even with the help of the google. Here's my code: for FOLDER in `find . -type d | sed "s#^.#$(pwd)#" | sed 's/ /\ /g'` do echo "$FOLDER" done This will ...
5
votes
2answers
3k views

How do I delete all files with a given name in all subdirectories?

I want to delete all files with a given name in all the subdirectories of my home directory. I tried: rm -r file in my home directory, but it didn't work because that file doesn't exist in that ...