A filesystem is a method of storing and organizing computer files and their data.
4
votes
1answer
71 views
what is the difference between “chmod 775” and “chmod 2755”?
Question
What is the difference between "chmod 775" and "chmod 2755" ?
5
votes
2answers
87 views
du command show a slash after directories?
How to use du command show a slash after directories?
For example:
du -ab /root/test/php-5.4.8/
Result:
1781 /root/test/php-5.4.8/main/internal_functions.c.in
973596 ...
1
vote
2answers
69 views
What logs would be written if file system is full in UNIX?
I am working on a unix server and I guess during some time in past the file system had been full. However, I need some solid data to prove it. Will there be any OS logs or something of that sort to ...
1
vote
4answers
59 views
Automatically change file permission upon write to a folder
How can I create directories so:
/data
/data/user1
/data/user2
and make sure that whenever root writes inside them, depending on which directory it writes to, different owners are set.
Example:
...
1
vote
1answer
44 views
How to unlock read-only filesystem on OpenWRT router linux distribution?
I have installed minimal OpenWRT firmware on Linksys router.
When I try to modify some of the files withing /etc/ directory for example firewall.user file by using command vi firewall.user it opens ...
2
votes
2answers
51 views
Filesystem type on Solaris 5.10
How can I get the file system type for each device on Solaris 5.10? I tried mount with no args but that only listed each mount point, similar to df.
Also, how can I find where a specific directory ...
7
votes
3answers
320 views
What happens when you delete a hard link?
If you do rm myFile where myFile is a hard link, what happens?
3
votes
1answer
47 views
Birth is empty on ext4
I was just reading up on the Birth section of stat and it appears ext4 should support it, but even a file I just created leaves it empty.
~ % touch test ...
4
votes
2answers
126 views
How to create low-overhead file system
I have usb keychain with size of 7.5GB and I need to copy file on it with size 7.4GB. But I can't because superblocks consume 0.5GB of space.
4
votes
1answer
41 views
Effectivity of shred on different file systems
man shred warns that the command is not useful on file systems that don't overwrite in-place. I don't have much knowledge about the current and upcoming file systems, but I would suspect that many of ...
0
votes
1answer
44 views
/ permissions on a linux filesystem
Does the / have permissions attached to it? If so what are they and what command do you run to find out?
The reason why I ask this is to know weather a NFS mount reflect this if your export is set to ...
3
votes
3answers
120 views
A lot of errors on ext4, however smart doesn't show any errors
I have a Debian box with additional ( it is not a system disk ) 1.5Tb sata hdd (wd caviar green). There is only one partition on the whole disk.
Disk is used for backups from remote system (with ...
2
votes
1answer
48 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 ...
1
vote
2answers
237 views
Cannot access disk, partition table broken
I was so dumb, to turn of the power on my Readynas Ultra 4 when it was installing the disk (3TB WD Green), I had no time to wait for it as I was going to return it (It was to damn noisy) The disk ...
8
votes
1answer
211 views
What is Linux doing differently that allows me to remove/replace files where Windows would complain the file is currently in use?
The example I have is Minecraft. When running Bukkit on Linux I can remove or update the .jar files in the /plugins folder and simply run the 'reload' command.
In Windows, I have to take the whole ...
