AWK/CUT: to cut/ extract column or rows based on pattern    SED:  to set data according to your need  GREP: to grab or search pattern   

  Semi-colon: ";" = used after command to run commands one after another.
  Pipe: "|" = to take input of one command and feed to another command i.e inbetween steps are piped.
  Accessing other Systems: ssh = to access other ips to get more system utilization.
  Parallel Processing: "&" = ampersand is used to run programs in background.
  Detach from system nohup = no hang up to detach and run even after exiting terminal.
  CPU utilization: taskset = assign  specific cpu range to specific command i.e sets the CPU affinity.

  
  Commands you will learn on the go:

  Start with: pwd, uname, ls, top, atop, htop, mkdir, cd, rmdir, rm, cat touch, wc, head, tail;
  Let's Find Out: ls -alh, ps aux, clear, ctrl+l, locate, find, whereis;
  Don't let interest go away: sl,
  Do some tricks: history, kill, cp, mv, ssh, scp, rsync, df -h, du, cmp, sudo, apt, snap, chmod, free;
  File operations: awk, sed, grep, sort, uniq, tr, cmp;
  Compress a command: alias, unalias;
  Ip address access: ifconfig, wget, curl, netstat;
  Compilers: java, g++, gcc; 
  Last login: last -x.
 

  
 
 Cat: to concatenate; view content from file and also to write to a file
Examples:
  Command: cat > testfile.txt
  1 ravi India
  entr; ctrl+z

  Command: cat >> testfile.txt
  2 somya India

  Command: cat testfile.txt
  Output: 1 ravi India
          2 somya India
 
 

   
 cp: to copy a file/folder
   Examples:
  Command: cp
 
 

  
 cp: to copy a file/folder
  Examples:
 Command: cp


  
 cp: to copy a file/folder
  Examples:
 Command: cp


  
 cp: to copy a file/folder
  Examples:
 Command: cp


  
 cp: to copy a file/folder
  Examples:
 Command: cp


  
 cp: to copy a file/folder
  Examples:
 Command: cp


  
 cp: to copy a file/folder
  Examples:
 Command: cp


  
 cp: to copy a file/folder
  Examples:
 Command: cp


  
 cp: to copy a file/folder
  Examples:
 Command: cp

 Parallel Processing:
 CPU utilization: