- What is Tee?
The command reads the standard input and sends it to the standard output while redirecting a copy of whatit has read tothe file specified by the user.
2.What does the command “$ls wc –l > file1” do?
ls becomes the input to wc which counts the number of lines it receives as input and instead ofdisplayingthis count , the value is stored in file1.
3. Write a command to display a file’s contents in various formats?
$od -cbd file_name
c - character, b - binary (octal), d-decimal, od=Octal Dump
4.How many prompts are available in a UNIX system?
Two prompts, PS1 (Primary Prompt), PS2 (Secondary Prompt). are available in unix..
5.What are shell variables?
Shell variables are special variables, a name-value pair created and maintained by the shell.
Example: PATH, HOME, MAIL and TERM