1:
2:

 "\e[5~": history-search-backward
 "\e[6~": history-search-forward

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:

up() {
	if [ $# == 0 ]
	then 
		cd ..
		return	
	fi
	if [ "${1//[^0-9]/}" != "$1" ]
	then
		echo "Not a number"
		return
	fi
	STRING=""
	for (( i=0; i<$1 ; i++ ))
	do 
		STRING="$STRING../"
	done
	cd $STRING
}

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:

ffs(){
	if [ $# -gt 0 ]
	then
		find -name "*$1*"
	else
		echo "argument required"
	fi
}
ffi(){
	if [ $# -gt 0 ]
	then
		find -iname "*$1*"
	else
		echo "argument required"
	fi
}

1:
2:
3:
4:
5:
6:
7:
8:
9:

pf(){
	if [ $# -gt 0 ]
	then
		ps aux | grep TTY | grep -v "grep TTY"
		ps aux | grep -i "$1" | grep -v "grep -i $1"
	else
		echo "argument required"
	fi
}

1:

user@host ~ $ echo $PS1

1:

\[\033[01;30m\]\u@\h\[\033[01;34m\] \w $\[\033[00m\]

1:

user@host ~ $ PS1="\[\033[0;32m\]\[[\A] $PS1"

1:
2:
3:
4:
5:

#vorher
PS1='\[\033[01;30m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '
#nachher
PS1='\[\033[0;32m\][\A] \]\[\033[01;30m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '