find . -maxdepth 1 -name *.jpg -print -exec convert “{}” -resize 80×60 “thumbs/{}” \; batch resize files in the current directory and send them to a thumbnails directory (requires convert from Imagemagick)
theirloginshell. Most tasks (directory listing, editing files, etc.) can easily be accomplished by letting the program take control of the terminal and returning control to the shell when the program exits; however, sometimes the user will wish to carry out a task...
This command will prompt you to confirm if there is already a file with the name newfilename. mv (move files) This command allows you to rename a file as in: mvoldfilenamenewfilename Or to move a file to a new directory: mv filename directoryname/ As with cp, it is a good idea...
21. service command examples Service command is used to run the system V init scripts. i.e Instead of calling the scripts located in the /etc/init.d/ directory with their full path, you can use the service command. Check the status of a service: # service ssh status Check the status ...
cat file1 | command( sed, grep, awk, grep, etc...) >> result.txt 合并一个文件的详细说明文本,并将简介写入一个已有的文件中 grep Aug /var/log/messages 在文件 '/var/log/messages'中查找关键词"Aug" grep ^Aug /var/log/messages 在文件 '/var/log/messages'中查找以"Aug"开始的词汇 ...
Shell 是一个程序,提供一个与用户对话的环境。这个环境只有一个命令提示符,让用户从键盘输入命令,所以又称为命令行环境(command line interface ,简写为CLI )。Shell 接收到用户输入的命令,将命令送入操作系统执行,并将结果返回给用户。
Execute commands on files found by the find command $ find -iname "MyCProgram.c" -exec md5sum {} \; Find all empty files in home directory # find ~ -empty More find examples: Mommy, I found it! — 15 Practical Linux Find Command Examples 4. ssh command examples Login to remote host...
eachinodemaybepointedtobyanumberofdirectoryentries(hardlinks)eachinodekeepsacounter,indicatinghowmanyhardlinksexisttothatinode.Whenahardlinkisremovedviathermorunlinkcommand,theOSremovesthecorrespondinglinkbutdoesnotfreetheinodeandcorrespondingdatablocksuntilthelinkcountis0 Differenttypesoffiles UNIXdealswithtwo...
x means the right to access files in the directory. This implies that you may read files in the directory provided you have read permission on the individual files. “r”权限,对文件来说,就是可以打开或者复制;但对于文件夹来说,它的意思是可以使用“l”命令列出文件夹内容。
git-clone-subsetRodrigo Silva (MestreLion)linux@rodrigosilva.comUsesgit cloneandgit filter-branchto remove from the clone all files but the ones requested, along with their associated commit history. git-commaLeah Neukirchen'sblogAdds and commits a file in one command. ...