Echo is a program. '' is not a program. '' does not perform any action. Echo returns what you type. '' does not.
No difference, really. Unix is an OS (Operating System)
what are similarities and differences between linux and unix?
Echo merely repeats its command line arguments as stated. The 'printf' command allows for formatted print and a more exacting method of printing out information. Printf requires you to specify the format of what you want to print; echo does not have this ability.
Unix is an operating system, Java is a language.
Echo repeats whatever you put on the command line.echo This is a testwill echo to the screen:This is a test
echo "This is my text" > myfile.txt
Since there isn't a UNIX 95 or UNIX 98 per se, I think you are referring to Windows 95 or Windows 98..
Unix is the name of an Operating System (software) and Cisco is the name of a technology company.
unix is a multiuser operating system but widows is a single user operating system.
Unix is a specification. Mac OS X is a certified implementation of Unix. This like asking "What is the difference between a turtle and a red-eared slider."
Sonar location is in the water and echo location is in the air.
Unix is a multi user, multi processing and multi tasking operating system