The separator character in your path can vary depending on the operating system. A relative path is always equivalent to an absolute path. Your current absolute path (working directory) can be printed in a command line via the "pwd" command. You can get to home directory from anywhere by typing "~" as your path when using the command cd.
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Q: Which command is used to changes your current working directory Dd1 to dir1(Use Relative path)?
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Which of the following about paths are true?
Your current absolute path (working directory) can be printed in a command line via the "pwd" command.
You can get to home directory from anywhere by typing "~" as your path when using the command cd.
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- If you are currently in your home directory, what is the relative pathname to the “address” file located under the mylocation subdirectory?The Shell or Command Line Interpreter is the fundamental User interface to an Operating System. write a simple shell - myshell - that has the following properties: Supported commands: The shell must support the following internal commands: cd- change the current default directory to. If theargument is not present, report the current directory. If the directory does not exist an appropriate error should be reported. This command should also change the PWD environment variable. clr - clear the screen. dir- list the contents of directory environ - list all the environment strings echo - display on the display followed by a new line (multiple spaces/tabs may be reduced to a single space) help - display the user manual using the more filter pause - pause operation of the shell until 'Enter' is pressed quit - quit the shell The shell environment should contain shell=/myshell where/myshell is the full path for the shell executable (not a hardwired path back to your directory, but the one…The Shell or Command Line Interpreter is the fundamental User interface to an Operating System. Your task is to write a simple shell - myshell - that has the following properties: Tasks: The shell must support the following internal commands: i. cd - Change the current default directory to . If the argument is not present, report the current directory. If the directory does not exist an appropriate error should be reported. This command should also change the PWD environment variable. ii. cls - Clear the screen. iii. dir - List the contents of directory page by page. iv. xcopy to - Copy the folder to . v. print - Display on the display followed by a new line (multiple spaces/tabs may be reduced to a single space). vi. md - Create the folder . vii. rd - Remove the folder if the folder is empty, should display error message if it is not. ix. quit - Quit the shell. x. The shell environment should contain shell=/myshell where /myshell is the full…
- The Shell or Command Line Interpreter is the fundamental User interface to an Operating System. Your task is to write a simple shell - myshell - that has the following properties: Tasks: The shell must support the following internal commands: cd <directory> - Change the current default directory to <directory>. If the <directory> argument is not present, report the current directory. If the directory does not exist an appropriate error should be reported. This command should also change the PWD environment variable. cls - Clear the screen. iii. dir <directory> - List the contents of directory <directory> page by page. xcopy <source> to <destination> - Copy the <source> folder to <destination>. print <comment> - Display <comment> on the display followed by a new line (multiple spaces/tabs may be reduced to a single space). md <directory> - Create the folder <directory>. vii. rd…You can configure your shell by editing the file~/.bashrc for instance to change the value of$ PS1 and $PAth permenatrly true or falseThe file phonenumbers.txt is in the phone directory (a subdirectory of the /contacts directory). What is the complete path to phonenumbers.txt?
- What is the command one would run at a shell to change the current working directory to the parent directory? Assign this command as a string to a variable called answer. E.g., if you thought the answer was "do xyz 123" you should write: answer = "do xyz 123"do the following in the codeThe shell environment should contain shell=<pathname>/myshell where <pathname>/myshell is the full path for the shell executable (not a hardwired path back to your directory, but the one from which it was executed). #!/bin/bashflag=0echo "Welcome to myshell"while [[ $flag == 0 ]]doread -p "myshell > " str#spilliting the textIFS=' ' #setting space as delimiterread -ra ARR <<<"$str" #reading str as an array as tokens separated by IFScommand=0 # >>>>>>>>>>>>>>>>>>>>>>>>>> 1. cd <<<<<<<<<<<<<<<<<<<<<<<<<if [[ ${ARR[0]} == "cd" ]]thencommand=1word=$(echo ${ARR[@]} | wc -w) # after cd hav no argument then report to current directoryif [[ $word == 1 ]]thencd $PWDelseif [[ -d ${ARR[1]} ]]thencd ${ARR[1]}elseecho "[${ARR[1]}] path is not correct"fififi…find The find command takes a pattern as a command-line argument and recur- sively searches through directories to find a filename matching that pattern. It should print a relative path starting with "./" for every file/directory that matches. For example, running ./find 1s.c from within the hw2 directory should print ./1s.c. If run from the parent directory, the output would be . /hw2/1s.c. There may be multiple matches. If we run ./find .c from within the hw2 directory, we should see: ./find.c ./1s.c ./tree.c The output does not need to be sorted. If nothing matches, it shouldn't print anything. Pattern matching should be case sensitive.
- Creates a new directory named Ballroom and Lists the contents of the Ballroom directory. In ubunto - linuxthe command used to go to your home directory is a cd/ h cd- d. cd homeOn the cmsy255 server, write a bash shell script called usrinfo that displays information about a specified user. Make sure the script file is executable. Also make sure that you can run the script without having to specify the directory. For example, you should NOT have to enter ./usrinfo in order for it to run. The script should: ● ● ● Accept 1 argument from the command line (this is the User ID that you want to display info for) finger the User ID display any lines from the who command that match this User ID display any lines from the ps -ef command that match this User ID In addition, if the number of arguments is not exactly 1, display an appropriate error message and exit with an exit code of 1.