Use `info bash' to find out more about the shell in general. Use `man -k' or `info' to find out more about commands not in this list. A star (*) next to a name means that the command is disabled. job_spec [&] history [-c] [-d offset] [n] or hist> (( expression )) ...
/bin/bashforkin$(ls. |grep.sql |grep11) #获取当前目录.下 名称包含 11 和 .sql的文件名称domvcopy/$k copy/$k".bak" #将当前目录的copy目录下的同名文件,重命名为.bak(即备份)cp$k copy/$k #将当前目录.下的 包含11 和 .sql的文件 复制一份到copy目录下(copy一份)done #1. 当前目录. 有 ...
wake_up_interruptible(&pipe->wait); kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT); } 当读入端被唤醒的时候,它执行的判断为: linux-2.6.21\fs\pipe.c static ssize_t pipe_read(struct kiocb *iocb, const struct iovec *_iov, unsig...
Make .ghci look in ./src 7年前 .github_deploy Remove trailing whitespace 4年前 .gitignore Testsuite: report which module failed the tests 1年前 .multi_arch_docker Add linux.riscv64 precompiled support 12个月前 .prepare_deploy Brand New Build!
The opposite of "it's like riding a bike" is "it's like programming in bash". A phrase which means that no matter how many times you do something, you will have to re-learn it every single time. — Jake Wharton (@JakeWharton) ...
这里也有许多 shuf 命令的使用,shuf 是一个Linux 实用程序,旨在提供一个信息的随机排列,其中-i 选项表示要洗牌的索引或可能范围,-n 表示返回的最大数量或输出。 双括号允许在 Bash 中进行数学计算,我们在这里将大量使用它们。 让我们假设前面的示例通过 stdin 接收到了 c3。 然后,从上面的 switch case 语句中选...
The following command should print “hello” in red underscore text: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >echo"\x1b[31;4mHello\x1b[0m" \x1b[0mmeans “reset all attributes”. 代码语言:javascript 代码运行次数:0 运行
The opposite of "it's like riding a bike" is "it's like programming in bash". A phrase which means that no matter how many times you do something, you will have to re-learn it every single time. — Jake Wharton (@JakeWharton) ...
/bin/bash on the first line, which means that the script should always be run in bash and not in other shells. Other shells to use as alternatives to bin/bash shell There are many alternatives to Linux bin/bash, despite the fact that it is a very popular shell. Some of them are ...
如何使用Ubuntu的bash shell，并且安装Linux软件 您现在有基于Ubuntu的完整的命令行的bash shell。 因为它们是相同的二进制文件，你可以使用Ubuntu的apt-get命令来安装Ubuntu的软件 要打开Bash shell，只需打开开始菜单，搜索bash或Ubuntu你会看到一个“Bash on Ubuntu on Windows应用程序。 你可以将这个应用...