Linux

We are reader supported and may earn a commission when you buy through links on our site Linux is an operating system based on UNIX and was first introduced by Linus Torvalds. It is based on the Linux Kernel and can run on different hardware platforms manufactured by Intel, MIPS, HP, IBM, SPARC, and Motorola….

What is TCL?

TCL is shell application that reads TCL command from its standard input or from a file and gives desired results.

TCL is string based scripting language and also a procedural language. It was first created by John Osterhout in 1989. The purpose of developing this language is easy embedded inti ( ) applications. The language is commonly used for GUIs and testing. For instance, rapid prototyping, Testing database interaction, etc. In TCL by default everything is a string.

In this tutorial, you will learn-

• What is TCL
• How to Execute TCL
• TCL scripts
• TCL Substitution type
• TCL Variable
• TCL Expression and Operator
• TCL flow control and decision making

Trivial File Transfer Protocol (TFTP) is used for small file transfers and does not require any authentication. TFTP is used to backup network, transfer files, and boot PCs without need of a disk. It uses UDP, which does not have error checking as TCP does. TFTP servers are mostly used in devices like mobile phones…

In this Linux/Unix command line cheat sheet, you will learn: Basic Linux commands File Permission commands Environment Variables command User management commands of linux Networking command Process command VI Editing Commands Basic Linux commands Command Description ls Lists all files and directories in the present working directory ls -R Lists files in sub-directories as well…