What does X mean in shell script?
Invoking a Bash shell with the -x option causes each shell command to be printed before it is executed. This option can only be used with Linux shell scripts, not with binary executables.
What does X mean in CMD?
How do I open the command prompt? If you like your keyboard shortcuts, Windows+X will open the Power Users menu from which command prompt can be launched with one click.
What does X do in Linux?
The X Window System (X11, or simply X) is a windowing system for bitmap displays, common on Unix-like operating systems. X provides the basic framework for a GUI environment: drawing and moving windows on the display device and interacting with a mouse and keyboard.
What does set mean in a shell script?
set is a shell builtin, used to set and unset shell options and positional parameters. Without arguments, set will print all shell variables (both environment variables and variables in current session) sorted in current locale. You can also read bash documentation.
What does V mean in command line?
The -v option tells the shell to run in verbose mode. In practice, this means that the shell will echo each command prior to executing the command. This will be useful in locating the line of script that has created an error.
What’s the difference between Bash and SH-X?
If this line reads #!/bin/sh -x then it would be identical to the sh -x foobar.sh case (assuming sh is resolved to /bin/sh from the PATH). Maybe it is not started by sh but bash? The -x flag prints debug info, i.e. every command before it is executed. It depends on the content of the shell script and the used shell.
What does SH mean in command line interpreter?
sh is a command language interpreter that executes commands read from a command line string, the standard input, or a specified file.
What is the name of the SH command in Linux?
Linux sh command. On Unix-like operating systems, sh is the command name of the Bourne shell, the standard command language interpreter of Unix and many Unix-like operating systems, including Linux.
What do the arguments’-V and’-X mean to bash?
The quotes above are from the explanation of the set builtin command in the man bash, which also explains that the options for set can also be passed as arguments (on the shebang line): The options are off by default unless otherwise noted. Using + rather than – causes these options to be turned off.