Homework Answers
Below is the solution:
In linux there are several directories. All the directories has its own purpose, but root directory is top most directories. It contains the all the files, folders which requires to run the linux os.
Root is top directories that contains the all directories.
/home: it contains the home directories of all the users.
/bin: it contains the binary, executable files which requires system to run.
/boot: it contains the boot loader, kernal and initial RAM disk image.
/dev: it contains the files for all the device like cpu, usb device etc.
/etc: it contains the configuration files, shell script files which is readable.
/lib: it contains the library files which requires to run the programs from /bin folder.
/media: it contains the auto mounted media information.
/mnt: it contains the mounted device information like cd-rom,usb etc.
/opt: it contains the optional software.
/root: it contains the root user information. It is different from root directory.
/usr: It contains all the program used by regular user.
/var: it contains the variable file which is changes like log file of the os.
/sbin: it contains the essential file binaries which is uses by the administrator.
/tmp: it contains of the temporary files of the system.
/srv: it contains the service files.
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Homework 13: In a file system using metadata journaling for crash consistency, what would the sequence...
Homework 13:
In a file system using metadata journaling for
crash consistency, what would the sequence of write operations be
to disk to create “file100” in the directory structure in Homework
11?
How would it differ from that of data journaling? Using the same
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do numbers 4-8
4. Given any directory, use the Is command to display: • all files and sub-directories starting with the letter "D" (note do not list anything in any sub-directory) • its immediate sub-directories (sub-directories only, and no other ordinary files) its immediate hidden sub-directories only - take a screenshot (#3-3) that clearly shows the command and the result. 5. Assume that the following files are in the working directory: $ ls intro notesb ref2 section 1 section3 section4b...
Homework 13:
In a file system using metadata journaling for
crash consistency, what would the sequence of write operations be
to disk to create “file100” in the directory structure in Homework
11?
How would it differ from that of data journaling? Using the same
format as for Homework 12, identify what data or metadata is
written and where it is being written.
Format of HW12 Journal Write: Transaction Begin(TxB) record,
file X data
1.
2.
3.
4.
HW11 for reference...
A File class object may refer to a data file or a directory. The IntelliJ project Directory List Demo, discussed starting on page 8, shows how to get information about the contents of a directory using File class methods list() and listFle(). The IntelliJ project Create DirectoriesDemo, starting on page 10, shows how to make a set of directories using the File class method mkdir(). The IntelliJ project CopyFileDemoE has a method to copy a file. Your task is to...
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