read (shell builtin command)
k is not a standard command in Linux.
yeah yeah
Viewing a file:"less [filename]"viewing the standard output of a command:"[command] | less"
The c99 command is a wrapper program that actually calls 'cc'. This is the standard c compiler for Linux. Since other Unix based systems use a c99 command to call the compiler with the 1999 standards there is a similar command to do the same thing under Linux.
There is no such command. Obviously, in order to enter a command into the prompt, Linux must already be on.
The df command displays drive capacities. The free command will show memory usage. The top command will show the system load of various processes.
In a Linux terminal, the command to create a new directory is: mkdir .
"r" is not a standard command on Linux systems. Some systems may included or provide support for the R programming language, in which case the command would launch the "littler" program to run R commands included in the file 12.
In Linux the chmod command is used to set file permissions.
Nothing. Helo is not a recognized command in linux.
Linux does not have a limit as to the number of characters you can enter in a command.
You get a command not found. Linux is case sensitive. So, for example: The command "systemctl" will not be the same as "SystemCTL" to a shell in Linux. One will work, the other will return an error saying there's no such command.