echo cat will print out the word 'cat' on the command line.
cat echo will attempt to list the contents of a file called 'echo'.
echo cat will print out the word 'cat' on the command line.
Almost everything. C: if (expression) statement else statement Shell: if COMMANDS then COMMANDS else COMMANDS fi Note: these parts can be separated with semicolon as well, eg: if test x"$SHELL" = x"/bin/bash"; then echo 'Bash'; else echo 'Other'; fi
Echo is a program. '' is not a program. '' does not perform any action. Echo returns what you type. '' does not.
Sonar location is in the water and echo location is in the air.
echo on echo off
The gaps between the reflections are long when you hear an echo. When the reflections are very close together then you here no single echo, you hear many close reflections as a reverberation.
Any word typed in a terminal after echo is printed to the screen. Therefore, echo cat simply prints cat.
basically same but sonar uses ultta sonic waves and echo uses sound in air
Internal commands are the commands that are executed <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> directly by the shell. These commands will not have a separate process running for each. External commands are the commands that are executed by the kernal. These commands will have a process id running for it. Internal commands are stored in the cmd.exe command interpreter, ex. Dir External commands correspond to a .com or .cmd file, ex.
echo "This is my text."
echo $SHELL
rem is a comment that is only seen if you edit the batch echo actually is printed when the batch is running
With program tac. ExampleVALUE="ABC DEF"REV=$(echo "$VALUE" | tac)echo "$VALUE" "-->" "$REV"