LINUX实验四报告

1、T# I3、定义变量AM得值为100,并使用t est命令语句比较其值就是否大于150、liveuser localhost;*T# AK=20e-# echoFile Edit View Search TerminaL Help root0Tocalhost root (Sloe al host209rootglocIhostLiveuser)loiicaLhast:Help-gt 1504。创建一个简单得Shel l程序,其功能为显示计算机主机名以及显示系统日期与时间。File Edit View广oot迪localhest root aloe al ho st root 31 oc at

2、 ho st LC root91 oeaXhostSearch T erminaLT# -#AM=100 test $AM echo $?-#1LiveuserLocaLh ostiHelpdateFile Edit View Search TerminalrootIocalhost vi dateroot(aiocalhost # chmod u+xroot (aloe al host # . /dateNrALveuser,Today is:Tue Apr 12 12:39:53 EDT 2016 Whish you a Lucky day !root (aloe al host # Il

3、iveusergHocalhost:*5、使用for语句创建一个she 1 1程序，其功能为1+2+3+4 +5 +n、File Edit View Search Terminal Help#!/bin/bash吕:d白teechio Mr.JUSER,Today is : dateecho Whish you a lucky day !Li veuserLo caUh o st: *Liveu5erLocalh&t:*十$IN厂6 .?使用u nt il语句创建一个she 1 l程序,其功能为计算1 - 1 0得平方。Search Terminal. H eL prile Edit View

4、File Edit View Search Terminal HeLproot aloe al hostvi sumroot(aiocaXhost -# b來h sun 1 2 3 4 5 6 6sum: Tins 1: !/bin/bash: No such fils o 广 di rectory 27root (aioiic al host -# IJ/bin/bashfilename:sum SUfTl=0 for INT j_n $中 do suni= expr sum done echo $SLjnUveuser)localhost:T# IT# vi square # bash s

5、quareFile Edit View Search Terminal Help rootlocalhost rootlocalhost162536496481 loeJob completed rootlocalhostLived erLocaLhot:*square 11L, 139CFile Edit View Search T 电 rminal Help#!/bin/bashfilename:squareint=luntil $int -g: 10 dosq=expr $int * $intecho Ssq int=6xpr $int 亠 1 doneecho Job completed四、实验总结（掌握了什么知识，实验中遇到得问题及解决方法）在实验中，我掌握了创建 shel 1程序得语法：#! /bi n/b ash与c hmod u +x文件