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Unix/Linux單行腳本

來源:互聯網網民  2008-05-21 04:46:42  評論

刪除 core 文件

# find ~ -name core -exec file {} ; -exec rm -i {} ;

查看使用文件的進程

# fuser -u /usr/my_application/foo

搜索字符串

#grep "hello world" `find ./ -name "*" -print -exec file {} ; |grep text | cut -d ':' -f 1`

目錄

#alias dir='ls -Lla|grep ^d'

輸出 IP 地址

#ifconfig | grep "inet addr" | grep -v "127.0.0.1" | awk '{print $2;}' | awk -F':' '{print $2;}'

按文件長度排序

#ls -l | grep ^- | sort -nr -k 5 | more

#ls -lR | grep ^- | sort -nr -k 5 | more

二進制文件中的可打印字符

# strings name of binary file

一個月的最後一個星期天執行任務:

18 * * * 0 [`date "+%d"` -gt 24] && /path/to/script

修改擴展名:

# for f in *.abc; do mv $f `basename $f .abc`.def ; done

查看硬盤情況:(Solaris)

# iostat -En

整個目錄樹拷貝:

# cd

# find . -depth -print | cpio -pudm

按長度排序目錄下所有文件

# du -a | sort -n -r | more

檢查文件內每行是否有相同列數

#awk '{print NF}' test.txt |sort -nu|more

去除空行

#sed -e '/^[ ]*$/d' InputFile >OutputFile

查看進程占用的對應文件 inode 號(Solaris)

#/usr/proc/bin/pfiles

刪除指定用戶的所有進程

# kill -9 `ps -fu username |awk '{ print $2 }'|grep -v PID`

Bash 操作快捷鍵:

ctrl-l -- clear screen

ctrl-r -- does a search in the previously given commands so that you don't

have to repeat long command.

ctrl-u -- clears the typing before the hotkey.

ctrl-a -- takes you to the begining of the command you are currently typing.

ctrl-e -- takes you to the end of the command you are currently typing in.

esc-b -- takes you back by one word while typing a command.

ctrl-c -- kills the current command or process.

ctrl-d -- kills the shell.

ctrl-h -- deletes one letter at a time from the command you are typing in.

ctrl-z -- puts the currently running process in background, the process

can be brought back to run state by using fg command.

esc-p -- like ctrl-r lets you search through the previously given commands.

esc-. -- gives the last command you typed.

文件名裏的空格替換爲下劃線

# for i in $1 ; do mv "$i" `echo $i | sed 's/ /_/g'` ; done

查看遠程主機時間

# telnet remotehostname 13|grep :

只顯示 top 命令的states 行

#while true; do top -d 2 | col -b | grep states; sleep 10; done

加速顯示

tar 文件內容

# tar tvfn

讓 目錄名也能

Spell Check

#shopt -s cdspell

當輸錯命令時,系統會自動進入類似的目錄

查看

Sun 服務器型號

# /usr/platform/`uname -m`/sbin/prtdiag -v | grep `uname -m`

在vi 中一行文字前後添加字符

:/^(.*)/s//我要 1 添加/

查找某包含字符串(Verita)軟件包的詳細信息 (Solaris)

pkginfo -l `pkginfo | grep -i VERITAS | awk '{print $2}'`

Sun 的一大堆腳本

http://www.sun.com/bigadmin/scripts/index.html

 
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     刪除 core 文件   # find ~ -name core -exec file {} ; -exec rm -i {} ;   查看使用文件的進程   # fuser -u /usr/my_application/foo   搜索字符串   #grep "hello world" `find ./ -name "*" -print -exec file {} ; |grep text | cut -d ':' -f 1`   目錄   #alias dir='ls -Lla|grep ^d'   輸出 IP 地址   #ifconfig | grep "inet addr" | grep -v "127.0.0.1" | awk '{print $2;}' | awk -F':' '{print $2;}'   按文件長度排序   #ls -l | grep ^- | sort -nr -k 5 | more   #ls -lR | grep ^- | sort -nr -k 5 | more   二進制文件中的可打印字符   # strings name of binary file   一個月的最後一個星期天執行任務:   18 * * * 0 [`date "+%d"` -gt 24] && /path/to/script   修改擴展名:   # for f in *.abc; do mv $f `basename $f .abc`.def ; done   查看硬盤情況:(Solaris)   # iostat -En   整個目錄樹拷貝:   # cd   # find . -depth -print | cpio -pudm   按長度排序目錄下所有文件   # du -a | sort -n -r | more   檢查文件內每行是否有相同列數   #awk '{print NF}' test.txt |sort -nu|more   去除空行   #sed -e '/^[ ]*$/d' InputFile >OutputFile   查看進程占用的對應文件 inode 號(Solaris)   #/usr/proc/bin/pfiles   刪除指定用戶的所有進程   # kill -9 `ps -fu username |awk '{ print $2 }'|grep -v PID`   Bash 操作快捷鍵:   ctrl-l -- clear screen   ctrl-r -- does a search in the previously given commands so that you don't   have to repeat long command.   ctrl-u -- clears the typing before the hotkey.   ctrl-a -- takes you to the begining of the command you are currently typing.   ctrl-e -- takes you to the end of the command you are currently typing in.   esc-b -- takes you back by one word while typing a command.   ctrl-c -- kills the current command or process.   ctrl-d -- kills the shell.      ctrl-h -- deletes one letter at a time from the command you are typing in.   ctrl-z -- puts the currently running process in background, the process   can be brought back to run state by using fg command.   esc-p -- like ctrl-r lets you search through the previously given commands.   esc-. -- gives the last command you typed.   文件名裏的空格替換爲下劃線   # for i in $1 ; do mv "$i" `echo $i | sed 's/ /_/g'` ; done   查看遠程主機時間   # telnet remotehostname 13|grep :   只顯示 top 命令的states 行   #while true; do top -d 2 | col -b | grep states; sleep 10; done   加速顯示   tar 文件內容   # tar tvfn   讓 目錄名也能   Spell Check   #shopt -s cdspell   當輸錯命令時,系統會自動進入類似的目錄   查看   Sun 服務器型號   # /usr/platform/`uname -m`/sbin/prtdiag -v | grep `uname -m`   在vi 中一行文字前後添加字符   :/^(.*)/s//我要 1 添加/   查找某包含字符串(Verita)軟件包的詳細信息 (Solaris)   pkginfo -l `pkginfo | grep -i VERITAS | awk '{print $2}'`   Sun 的一大堆腳本   http://www.sun.com/bigadmin/scripts/index.html
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