说明案例教案

Linux系统命令命令选项参数 [root@localhost~]#cat-l-w-c[root@localhost~]#wc 470a.txt[root@localhost~]#wc-la.txt5a.txt[root@localhost~]#wc-ca.txt70a.txt[root@localhost~]#wc-wa.txt4a.txtpwdcd[root@localhostc]#cdCd~cd..cd–ls列 -l-h-a-d查 -R*[root@localhost~]#ls-l/root/[root@localhost~]#ls-lh/root/[root@localhost~]#ls-lha/root/[root@localhost~]#ls-ldha/root/[root@localhost~]#lsa* [root@localhost~]#lsa.t?talias[root@localhost~]#aliasaa='ls-alh'du统计文件或 -a-h-s统计指定 [root@localhost~]#du-s/root/ [root@localhost~]#du-sh/root/712K/root/mkdir-p创建 [root@localhost~]#mkdir-ptest/a/b/c[root@localhost~]#ls-Rtest/touch创建文件Cp文件或-r：递归整 [root@localhost~]#cptest/tmp/cp:omittingdirectory`test'[root@localhost~cprtesttmp/rm删除 [root@localhostc]#rmrm:removeregularfile`b.txt'?yes[root@localhostc]#rm-fb.txt[root@localhosttmp]#rmtest/rm:cannotremovedirectory`test/':Isadirectory[root@localhosttmp]#rm-rftestMv[root@localhosttmp]#mva.txtWhichLinux[root@localhosttmp]#whichFind- - - - [root@localhost~]#find/-namea*c.txt[root@localhost~]#find/-namea*c.txt-useru1VimUseradd-uUID ，缺省为/home/用户 2014-12-28-s/sbin/nologinpub-uUID ，缺省为/home/用户[root@localhost~]#usermod-u1001pub[root@localhost~]#idpub -r[root@localhost~userdelru1 -l-u帐-S查看帐户状态[root@localhost~]#usermod–L[root@localhost~passwdSvfastvfastLK2014-12-260999997-1(Passwordlocked.)[root@localhost~]#passwd–u[root@localhost~]#passwd-SvfastPS2014-12-260999997-1(Passwordset,MD5 -g[root@localhost~groupaddg1400test2Groupdel删除组Gpasswd设置组成员-a-d-M定义成员列表[root@l