Skip to main content

KTU-FOSS LAB Solutions

Write shell scripts to show the following 
( you can write menu driven programs)
 Currently logged user and his logname  
( logname, id -un, echo $USER)
 Your current shell ( echo $SHELL)
 Your home directory ( echo $HOME)
 Your operating system type (echo $OSTYPE)
 Your current path setting ( echo $PATH)
 Your current working directory ( echo $PWD )
 Show Currently logged  users ( w or who -H)
     Show only the user name of logged users in the host ( users)
     Details of last login ( last mec  ;where mec is the user id )
 About your OS and version, release number, kernel version
                                                ( uname -a or  cat  /proc/version)
 Show all available shells ( cat /etc/shells )
 Show mouse settings (cat  /sys/class/input/mouse*/device/name )
 Show computer CPU information
      CPU details      ( cat /proc/cpuinfo | more )
      Show information on  CPU architecture ( lscpu)
      Number of Processor core ( nproc)
 Show memory information
      Memory details ( cat /proc/meminfo | more )
      Display file system disk usage ( df -h )
      Display the amount of free and used memory ( free)
      Virtual memory statistics ( vmstat)

 File system Mounted ( findmnt or cat /proc/mounts)
Note: There are some advanced command like lshw which will list complete hardware details.  These commands can be run as administrator user ( root) as sudo lshw ( needs root user password). Bring your own laptop if possible.

Comments

Popular posts from this blog

Introduction to Data Structures

Visit My Data Structure Blog for Programs... It is important for every Computer Science student to understand the concept of Information and how it is organized or how it can be utilized. If we arrange some data in an appropriate sequence, then it forms a Structure and gives us a meaning. This meaning is called Information . A data structure is a particular way of storing and organizing data in a computer so that it can be used efficiently. Data may be organized in many different ways. The logical model of a particular organization of data in a computer is called data structure. The choice of the model based on two considerations. It should be reflect the data in the real world. It should be simple that one can effectively process the data when necessary. E.g. Array, linked list, stack, queue, tree, graph Data structure can be classified into two: Linear: A data structure is said to be linear if its elements form a sequence E.g. Array, linked list, stack, queue Non-Linear: A dat

Basic Linux Commands For Beginner's

Basic Linux Commands for Beginners Linux is an Operating System’s Kernel. You might have heard of UNIX. Well, Linux is a UNIX clone. But it was actually created by Linus Torvalds from Scratch. Linux is free and open-source, that means that you can simply change anything in Linux and redistribute it in your own name! There are several Linux Distributions, commonly called “distros”. A few of them are: Mint Ubuntu Linux Red Hat Enterprise Linux Debian Fedora Kali Linux is Mainly used in Servers. About 90% of the Internet is powered by Linux Servers. This is because Linux is fast, secure, and free! The main problem of using Windows Servers are their cost. This is solved by using Linux Servers. Forgot to mention, the OS that runs in about 80% of the Smartphones in the World, Android, is also made from the Linux Kernel. Yes, Linux is amazing! A simple example of its security is that most of the viruses in the world run on Windows, but not on Linux