https://learning.edx.org/course/course-v1:LinuxFoundationX+LFD108x+1T2022/home

Bash Scripting

Some environment variables are avaliable to be used

• $0 -> Command name
• $1, $2 ... -> Command arguments
• $* -> Represents them all
• $@ -> Represents them all, preserving the grouping of quoted arguments
• $# -> Gives the number of arguments

Conditionals

if condition
then
    statements
else
    statements
fi

File Conditionals

man 1 test -> Shows file tests (e.g. if a file exists, readable, writeable, executable?)