How do you pass an argument to sh?
Arguments can be passed to the script when it is executed, by writing them as a space-delimited list following the script file name. Inside the script, the $1 variable references the first argument in the command line, $2 the second argument and so forth. The variable $0 references to the current script.
What does C mean Linux?
189●1 ●11. Up vote 1. the -c flag means execute the following command as interpreted by this program.
What does C mean in file permissions?
character device
This is the type of file. ‘-‘ means a regular file, ‘d’ would mean a directory, ‘l’ would mean a link. There are also other types such as ‘c’ for character device and ‘b’ for block device (found in the /dev/ directory). Any user who is outside the group will have these permissions to the file.
Which is the argument to the sh-c command?
The command following that will be run in that shell session, it will be treated as argument (positional parameter) 0 ( ARGV0 ), and the remaining portion as the argument to that command ( ARGV0 ), starting from 1 ( ARGV1, ARGV2.).
When to use sh-c instead of Bash?
The shell called with sh depends on the symlink – you can find out with readlink -e $(which sh). You should use sh -c when you want to execute a command specifically with that shell instead of bash. You can use this syntax (the -c flag) with other interpreters too.
What is the special parameter 0 in sh-c?
Special parameter 0 will be set from the command_name operand and the positional parameters ($1, $2, etc.) set from the remaining argument operands. This is a more detailed sh -c example. It will download a document from Google Drive and open it up for editing on the desktop:
What are the arguments in a shell script?
Command-line arguments range from $0 to $9. Although the shell can access only ten variables simultaneously, you can program scripts to access an unlimited number of items that you specify at the command line. If you try to access the variable $10, the shell interprets $10 as referring to the $1 variable with a following 0 character.