A file system structure in which to store computer files.

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3
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1answer
344 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
371 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
2k 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 ...
4
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 ...
5
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
263 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
159 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 ...
14
votes
3answers
53k 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
11k 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
319 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? ...
37
votes
6answers
47k 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
6k 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 ...
8
votes
3answers
2k views

How can I cd to the previous/next sibling directory?

I often have a project directory layout like this project `-- component-a | `-- files... `-- component-b | `-- files... `-- component-c `-- files... I'll usually be working in one of the ...
12
votes
3answers
5k 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 ...
4
votes
3answers
2k views

Infinitely Nested Directories

Let me start off by saying this is a Mac Terminal I'm using. Not Linux, but I assumed I would get the best answers here as it has to do with Unix and the command line not really anything about Mac ...
0
votes
1answer
835 views

OSX : rmdir “permission denied” but directory removed

This is a question from a newbie trying to learn UNIX commands. I was trying to test the rmdir command by removing a test directory located in my Downloads directory. I have read and write rights on ...
5
votes
4answers
2k views

How can I use locate only for a directory

This finds a large number of files that are under various subdirectories of "Dropnot" $ locate Dropnot Can I find just the directory location with locate? (which directory "Dropnot" is in) So if ...
35
votes
4answers
146k views

“Input/output error” when accessing a directory

I want to list and remove the content of a directory on a removable hard drive. But I have experienced "Input/output error": $ rm pic -R rm: cannot remove `pic/60.jpg': Input/output error rm: cannot ...
1
vote
1answer
596 views

How does apache determine what directory to show from public_html?

I am using Ubuntu 12.04 and have configured apache to serve from ~/public_html. I am trying to serve some directory contents over http on LAN. When I did the following: ln -s ...
4
votes
2answers
3k views

execute bit on directories, but not files [duplicate]

Possible Duplicate: How to apply recursively chmod directories without affecting files? What is the command to apply execute permission for directories (for traversal), but leave the ...
2
votes
4answers
568 views

Say I have a file's path, how do I reference that file's directory from the command line?

I can type: dirname ~/home/blah/file.zip for instance, and this works fine alone, but when I use this syntax as the parameter for some command it always reads 'dirname' as the desired directory. ...
4
votes
1answer
34k views

How do I use sftp to get a directory and all its contents? [duplicate]

When I try to use the command get from sftp, I get the error saying that it is not a normal file. Is there a way around this?
71
votes
4answers
68k 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 ...
3
votes
1answer
2k views

creating abbreviations for commonly used paths

I am new to linux and was wondering whether it is possible to create abbreviations that can be used in terminal. I know about alias command, but am not sure whether that can be used for what I am ...
4
votes
3answers
872 views

Need to delete a directory with name '~' created accidentally

I don't remember exactly how this directory got created. It's name is ~, the alternative we all use for home diretory. I also see a sticky bit attached with this directory. How shall I delete it? I ...
2
votes
4answers
4k views

Unable to delete directory

On my OS X host, I am having trouble deleting the directory "foo". mymac:.Trashes joe$ ls foo mymac:.Trashes joe$ ls foo/ Ảnh011.jpg Ảnh012.jpg Ảnh013.jpg mymac:.Trashes joe$ ls -l foo/ ls: ...
15
votes
4answers
3k views

Best method to collect a random sample from a collection of files

Suppose there is a directory holding 300 data files. I want to randomly select 200 of those files and move them into another directory. Is there a way to do that under Unix/Linux?
5
votes
2answers
7k views

What causes ln: //: Is a directory?

When linking a directory to root, I get this error: $ ln -s ~/inbox/ / $ ln: //: Is a directory Bash autocompletes the directory path by adding a /. I've tried escaping without success. $ ln -s ...
13
votes
4answers
13k views

How can I force unzip / zip not to create a subdirectory when I extract it?

Depending on how a zip file is created, sometimes it will extract all of the files directly, and sometimes it will extract the files into a subdirectory. If the latter is true, how can I force the ...
3
votes
2answers
1k views

Bash prompt when my home directory is a symbolic link

I symlinked my /host/Users/Kevin folder to /home/Kevin. I also edit the /etc/passwd file to /home/Kevin. I logged out and logged back in, however when I open up a terminal it's a bash prompt like so: ...
8
votes
4answers
6k views

Recursively rename subdirectories that match a regex

I have a media server with a folder called Series. (/media/Expansion2/Series/) In it, I have (surprise!) TV series. These are just the show names, e.g., /media/Expansion2/Series/The Big Bang Theory/ ...
6
votes
2answers
4k views

How do I create a ZIP archive that preserves only the structure of the target directory and below?

I need to create a zip archive where the unzipped result preserves the directory structure from the specified directory down. I also need to do this without actually switching to the directory. My ...
52
votes
5answers
2k views

cd by just typing the directory's name?

I either had this somewhere 20 years ago or I dreamed about it. Basically: If if type blobblob I get blobblob: command not found Fair enough. I would like it so that when my shell gets those ...
2
votes
2answers
365 views

Untar directory from large tarball

How do I untar a directory that I don't know the path to? I only know the directory name. I know how to untar a single file with a wildcard: tar -xf somefile.tar.gz --wildcards --no-anchored ...
11
votes
4answers
9k views

symbolic link to a directory and relative path

I've created symlink with absolute path to the directory (Blink) and have for example following tree: $ ls -l /tmp/A total 0 lrwxrwxrwx 1 root root 6 Apr 3 12:27 Blink -> /tmp/B -rw-r--r-- 1 root ...
65
votes
10answers
71k views

How do I get the MD5 sum of a directory's contents as one sum?

The md5sum program does not provide checksums for directories. I want to get a single MD5 checksum for the entire contents of a directory, including files in sub-directories. That is, one combined ...
1
vote
3answers
283 views

line count on all the PHP scripts within my webroot with wc

How can I do a line count on all the PHP scripts within my webroot? I am trying something like this below to no avail: wc -l *.php
-1
votes
2answers
2k views

Why can't I create a directory by full relative path argument?

Why can't I create a directory by full relative path argument? Here is what I try: #!/bin/bash args=("$@") # Print the command and run it. Exit the script on failure. run() { if $VERBOSE; ...
1
vote
1answer
1k views

How to link a folder to create a shortcut

I have this folder: /var/www/vhosts/foo that I need to access often. If I do (I'm root): ln -s /var/www/vhosts/foo/ cd foo pwd tells me /root/foo What can I do to really go into the folder ...
4
votes
2answers
646 views

Force change of a user's cwd as root

I'm looking to change a user's process such that I can set it's cwd. Related, and secondary to the question, I have a filesystem I want to unmount but a user is sitting on it with a bash process. I ...
4
votes
1answer
180 views

What is the tool that allows me to specify arbitrary directories using **

I once saw a colleague uses a tool which allows to use ** to represent any directories. For example: if a file called myfile.java sits deep inside: src/main/com/mycompany/product/store/myfile.java ...
2
votes
2answers
417 views

change owner of a file and it's parent directories

I have a file that has 10 parent directories. When I change the file's owner with chown command new owner still can't write to file because the file's parent directories still have a different owner. ...
8
votes
4answers
3k views

Find files with same name but different content?

I want to generate a list of files that have: Same name Different content in a directory (including all children directories and content). How to do? Bash, perl, anything is fine. So, two ...
3
votes
3answers
5k views

process files in a directory as they appear [duplicate]

Possible Duplicate: How to run a command when a directory's contents are updated? I'm trying to write a simple etl process that would look for files in a directory each minute, and if ...
2
votes
2answers
5k views

do not allow a directory to be deleted but make new files in it?

The question in my assignment says this: create a directory temp with all permissions for everybody, that cannot be deleted and copy hello.sh in this directory giving execution rights for ...