The command _____ displays a message on the screen
echo
The command _____ sleeps for a given time
sleep
The PATH _____ stores a list of directories that are searched for the binary of any command typed into a terminal
environment variable
The command _____ removes a variable or a function
unset
The command _____ can display lines which begin with a specified string
look
The command read _____
reads a line from stdin
The PATH environment variable stores a list of directories that are searched for _____ of any command typed into a terminal
the binary
Enclosing a string between _____ characters makes it literal.
single quote
The command getopts _____
parses bash positional arguments
The command _____ can fit text to a desired width
fold
The command bg _____
sends a process to the background
The command _____ reads a line from stdin
read
The command _____ declares variables
declare
The command _____ re-runs the last command
!!
The command set _____
changes a config variable of the running shell
"Enclosing a string between backtick `` characters makes it act as a command. Example: _____"
echo ""Hello `whoami`""
The command _____ swaps the stdout and stderr of a command
3>&2 2>&1 1>&3
The command unset _____
removes a variable or a function
The PATH environment variable stores a _____ that are searched for the binary of any command typed into a terminal
list of directories
The command su _____
executes commands as another system user
The command _____ parses bash positional arguments
getopts
The command echo _____
displays a message on the screen
The command _____ executes commands as another system user
su
The command !! _____
re-runs the last command
The command eval _____
evaluates commands and arguments passed to it
The command sleep _____
sleeps for a given time
The command _____ configures wireless network interfaces
iwconfig
The command _____ defines bash functions
function
The command _____ changes a config variable of the running shell
set
The command declare _____
declares variables
The command fold _____
can fit text to a desired width
The command _____ sorts text numerically
sort -n
The command _____ evaluates commands and arguments passed to it
eval
The command expr _____
evaluates expressions
The command fmt _____
can be used to format text
The command _____ evaluates expressions
expr
The command 3>&2 2>&1 1>&3 _____
swaps the stdout and stderr of a command
The command iwconfig _____
configures wireless network interfaces
The command _____ can be used to format text
fmt
The command look _____
can display lines which begin with a specified string
The command sort -n _____
sorts text numerically
The command function _____
defines bash functions
The command local _____
creates a local variable
The command _____ creates a local variable
local
The command _____ sends a process to the background
bg
The _____ environment variable stores a list of directories that are searched for the binary of any command typed into a terminal
PATH