What is the Linux command to find out which shell you are us

What is the Linux command to find out which shell you are using? What is the name of current Linux boot loader that is used to manage a dual boot? What is the full path to the home directory of the user account lucio in Linux? In which directory are you likely to find logs created by application running in Linux? In Linux when logged in as normal user with root privileges, which command must precede the apt-get command in command line in order to install a program? Which file system does Linux currently use for the volume on which Linux is installed? Which Linux file system was the first to implement journaling? What symbol displays in the shell prompt to indicate the logged-in user is root in Linux? What is the Linux vi editor command to save your changes and exist the editor? Why is the scroll bar typically hidden frequently in OS X? Which app manages multiple desktop screens in OS X? Which app provides tools for customizing the Mac interface? List the steps to open Terminal in OS X. How can you install printer, scanner, and graphics driver updates in OS X? How often does Time Machine creates new backups, and how long are these backups kept? What file format is used for OS X disk images? >> THINKING CRITICALLY You are mapping an FTP server installed in Ubuntu Server. The server has created a very large log file, vsftpd.log. Which command is appropriate to search the log file for activity of the user Charlie? Sudo cat/var/log/vsftpd.log grep \"charile\"/var/log/vsftpd.log sudo grep \"charile\"/var/log vsftpd.log cat/var/log/vsftpd.log

Solution

1) lsof -a -p $$ -d txt

2) GRUB2

8) /var/log directory hold the log files

11) ReiserFS

17)
a) Launch Terminal
b) Open an application from anywhere
c) Open a file with a specific application
d) Include additional options
e) Add -F to open a \"fresh\" copy of the application
f) Open multiple instances of the same application with -n
g) Run an application inside Terminal

20) GIF,ICNS,JPEG,JPEG-2000,Microsoft BMP,Microsoft Icon,Open EXR,PDF,PNG,TIFF