linux上机练习.doc

lllocalhost $ lstoolchains 公共的 模板 视频 图片 文档 下载 音乐 桌面lllocalhost $ ls -l总计 36drwxr-xr-x 2 ll ll 4096 2011-05-13 toolchainsdrwxr-xr-x 2 ll ll 4096 2011-05-08 公共的drwxr-xr-x 2 ll ll 4096 2011-05-08 模板drwxr-xr-x 2 ll ll 4096 2011-05-08 视频drwxr-xr-x 2 ll ll 4096 2011-05-08 图片drwxr-xr-x 2 ll ll 4096 2011-05-08 文档drwxr-xr-x 2 ll ll 4096 2011-05-08 下载drwxr-xr-x 2 ll ll 4096 2011-05-08 音乐drwxr-xr-x 2 ll ll 4096 2011-05-08 桌面lllocalhost $ su密码：rootlocalhost ll# lstoolchains 公共的 模板 视频 图片 文档 下载 音乐 桌面rootlocalhost ll# cd .rootlocalhost home# lshello hello.c hello-new llrootlocalhost home# ls -l总计 24-rwxrwxr-x 1 root root 4843 2011-05-13 hello-rw-r-r- 1 root root 60 2011-05-13 hello.c-rwxr-xr-x 1 root root 4999 2011-05-13 hello-newdrwx- 30 ll ll 4096 04-13 18:47 llrootlocalhost home# rm -f hellorootlocalhost home# rm -f hello-new rootlocalhost home# lshello.c llrootlocalhost home# su lllllocalhost home$ useradd abcbash: /usr/sbin/useradd: 权限不够lllocalhost home$ su密码：rootlocalhost home# useradd abclrootlocalhost home# lsabc hello.c llrootlocalhost home# vi hello.crootlocalhost home# vi hello.crootlocalhost home# ls -l总计 12drwx- 4 abc abc 4096 04-13 18:50 abc-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 18:50 llrootlocalhost home# gcc hello.crootlocalhost home# lsabc a.out hello.c llrootlocalhost home# ls -l总计 20drwx- 4 abc abc 4096 04-13 18:50 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 18:50 llrootlocalhost home# ./a.outhello,world!rootlocalhost home# gcc hello.c -o herootlocalhost home# lsabc a.out he hello.c llrootlocalhost home# ./hehello,world!rootlocalhost home# ls -l总计 28drwx- 4 abc abc 4096 04-13 18:50 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rwxrwxr-x 1 root root 4843 04-13 18:54 he-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 18:50 llrootlocalhost home# chmod 666 herootlocalhost home# ls -l总计 28drwx- 4 abc abc 4096 04-13 18:50 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rw-rw-rw- 1 root root 4843 04-13 18:54 he-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 18:50 llrootlocalhost home# ./hebash: ./he: 权限不够rootlocalhost home# chmod 777 herootlocalhost home# ls -l总计 28drwx- 4 abc abc 4096 04-13 18:50 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rwxrwxrwx 1 root root 4843 04-13 18:54 he-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 18:50 llrootlocalhost home# ./hehello,world!rootlocalhost home# ls abc a.out he hello.c llrootlocalhost home# ls abcrootlocalhost home# ls lltoolchains 公共的 模板 视频 图片 文档 下载 音乐 桌面rootlocalhost home# su lllllocalhost home$ ls abc a.out he hello.c lllllocalhost home$ ls abcls: 无法打开目录 abc: 权限不够lllocalhost home$ lllocalhost home$ ls -l总计 28drwx- 4 abc abc 4096 04-13 18:50 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rwxrwxrwx 1 root root 4843 04-13 18:54 he-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 18:50 lllllocalhost home$ chmod 606 abcchmod: 更改 “abc” 的权限: 不允许的操作lllocalhost home$ su密码：rootlocalhost home# chmod 606 abcrootlocalhost home# ls -l总计 28drw-rw- 4 abc abc 4096 04-13 18:50 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rwxrwxrwx 1 root root 4843 04-13 18:54 he-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 18:57 llrootlocalhost home# su lllllocalhost home$ ls abclllocalhost home$ lsabc a.out he hello.c lllllocalhost home$ cp hello.c lllllocalhost home$ lsabc a.out he hello.c lllllocalhost home$ ls llhello.c toolchains 公共的 模板 视频 图片 文档 下载 音乐 桌面lllocalhost home$ cp ll abccp: 略过目录 “ll”lllocalhost home$ cp ll.hello.c abccp: 无法 stat “ll.hello.c”: 没有那个文件或目录lllocalhost home$ cp ll/hello.c abccp: 无法 stat “abc/hello.c”: 权限不够lllocalhost home$ cp ll/hello.c abc/cp: 无法 stat “abc/hello.c”: 权限不够lllocalhost home$ su密码：rootlocalhost home# cp ll/hello.c abc/rootlocalhost home# ls abchello.crootlocalhost home# lsabc a.out he hello.c llrootlocalhost home# ls -l总计 28drw-rw- 4 abc abc 4096 04-13 19:02 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rwxrwxrwx 1 root root 4843 04-13 18:54 he-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 19:02 llrootlocalhost home# tar -cf bf.tar a.out he hello.crootlocalhost home# ls -l总计 48drw-rw- 4 abc abc 4096 04-13 19:02 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rw-r-r- 1 root root 20480 04-13 19:04 bf.tar-rwxrwxrwx 1 root root 4843 04-13 18:54 he-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 19:02 llrootlocalhost home# tar -czf bf.tar.gz a.out he hello.crootlocalhost home# ls -l总计 52drw-rw- 4 abc abc 4096 04-13 19:02 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rw-r-r- 1 root root 20480 04-13 19:04 bf.tar-rw-r-r- 1 root root 2437 04-13 19:06 bf.tar.gz-rwxrwxrwx 1 root root 4843 04-13 18:54 he-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 19:02 llrootlocalhost home# tar -cjf bf.tar.bz2 a.out he hello.crootlocalhost home# ls -l总计 56drw-rw- 4 abc abc 4096 04-13 19:02 abc-rwxrwxr-x 1 root root 4843 04-13 18:53 a.out-rw-r-r- 1 root root 20480 04-13 19:04 bf.tar-rw-r-r- 1 root root 2953 04-13 19:06 bf.tar.bz2-rw-r-r- 1 root root 2437 04-13 19:06 bf.tar.gz-rwxrwxrwx 1 root root 4843 04-13 18:54 he-rw-r-r- 1 root root 60 2011-05-13 hello.cdrwx- 30 ll ll 4096 04-13 19:02 llrootlocalhost home# rm -f a.outrootlocalhost home# rm -f herootlocalhost home# rm -f hello.c rootlocalhost home# lsabc bf.tar bf.tar.bz2 bf.tar.gz llrootlocalhost home# tar -xjvf bf.tar.bz2a.outhehello.crootlocalhost home# ls abc a.out bf.tar bf.tar.bz2 bf.tar.gz he hello.c llrootlocalhost home# lsabc a.out bf.tar bf.tar.bz2 bf.tar.gz he hello.c llrootlocalhost home# cd llrootlocalhost ll# lshello.c toolchains 公共的 模板 视频 图片 文档 下载 音乐 桌面rootlocalhost ll# cd 下载rootlocalhost 下载# lslinuxqq_v1.0.2_i386.tar.gzrootlocalhost 下载# tar -xzvf linuxqq_v1.0.2_i386.tar.gz linuxqq_v1.0.2_i386/linuxqq_v1.0.2_i386/QQLnklinuxqq_v1.0.2_i386/res.dblinuxqq_v1.0.2_i386/qqrootlocalhost 下载# lslinuxqq_v1.0.2_i386 linuxqq_v1.0.2_i386.tar.gzrootlocalhost 下载# cd linuxqq_v1.0.2_i386rootlocalhost linuxqq_v1.0.2_i386# lsqq QQLnk res.dbrootlocalhost linuxqq_v1.0.2_i386# ./qq./qq: /usr/lib/libstdc+.so.6: version GLIBC