Linux commands: Use the menu to display simple functions and echo coloring

1. Use the menu to display hard disk, memory, virtual memory usage, and display usage over 10% hard disk partitions.

#!/bin/bash
#
Cat << EOF
d| D) show disk usages.
m| M) show memory usages.
s| S) show swap usages.
*) quit.
Eof

Echo-n-E "\033[31myour choice:\033[0m"
Read CHOICE
# read-p "Your choice:" Choice

while [$CHOICE! = ' Quit '-a $CHOICE! = ' Q '];d o
Case $CHOICE in
d| D
echo "Disk usages:"
DF-LH | Tee-a./temp.txt
;;
m| M
echo "Memory usages:"
free-m | grep "Mem" | Tee-a./temp.txt
;;
s| S
echo "Swap usages:"
free-m | Grep-i "Swap" | Tee-a./temp.txt
;;
*)
echo "Unknow ..."
;;
Esac

Echo-n-E "\033[31magain, Your choice:\033[0m"
Read CHOICE

# read-p "Again, Your choice:" Choice

Done

Ti= ' Egrep [1-8][0-9]%./temp.txt | Wc-l '
echo "show the total size of disk usage >10%, A total of $TI datas."
Egrep "[1-8][0-9]%"./temp.txt

[Email protected] ~]#./showdisk.sh
d| D) show disk usages.
m| M) show memory usages.
s| S) show swap usages.
*) quit.
Your Choice:s
Swap usages:
swap:4094 0 4094
Again, Your choice:D
Disk usages:
Filesystem Size used Avail use% mounted on
/dev/sda5 7.8G 5.2G 2.2G 71%/
/dev/sda11 137G 188M 129G 1%/data
/dev/sda8 3.9G 74M 3.7G 2%/Home
/dev/sda7 4.9G 225M 4.4G 5%/var
/dev/sda6 5.9G 141M 5.4G 3%/tmp
/dev/sda3 30G 2.7G 25G 10%/usr
/dev/sda2 49G 180M 46G 1%/u01
/DEV/SDA1 996M 40M 905M 5%/boot
Tmpfs 3.9G 0 3.9G 0%/dev/shm
/dev/md0 3.8G 72M 3.6G 2%/mnt
Again, Your choice:Q
Show the total size of disk usage >10%, A total of2 datas.
/dev/sda5 7.8G 5.2G 2.2G 71%/
/dev/sda3 30G 2.7G 25G 10%/usr
[Email protected] ~]#

echo- e "\033[1; ; $ m Hello\033[0m, World "

- e \033[1m * * * \033[0m Red part is fixed format, \033[0m for end coloring;

The three groups of numbers are separated by semicolons (;), the Green 1 is bold, 5 is blinking, and 1-7 is optional;

32 in 3 immutable, representing font coloring,2 for seven colors in green, optional 1-7;

45 in 4 immutable, representing background coloring,5 for seven colors in red, optional 1-7;

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Linux commands: Use the menu to display simple functions and echo coloring