it is a command in unix and unix like operating systems that places a string on the computer terminal.It is typically used in shell scripts and bath files screen or a file.
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
There are many ways to do this: whoami id echo $USER echo $LOGNAME
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.
There is no traditional 'execute' command in Unix.
There is no standard 'format' command in Unix.
Use the file type test: if [ -d $file ]; then echo $file is a directory elif [ -f $file ]; then echo $file is a file else echo $file is not a directory or a file fi
The 'CD' command is not standard for Unix. The 'cd' command, however, will change directories (folders). It is a means of navigating the Unix file system.
A period right after the "echo" command would echo an empty line.
4 ampersands together is not legal for Unix/Linux.
In Unix, use the 'man' command.
Echo is a program. '' is not a program. '' does not perform any action. Echo returns what you type. '' does not.