%Cpu(s): 0.3 us, 0.3 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem : 1014672 total, 488536 free, 109500 used, 416636 buff/cache KiB Swap: 0 total, 0 free, 0 used. 764412 avail Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1342 root 10 -...
The echo command is used to display a line of text on the terminal. You can also use the echo command to write text to a file by providing the string after the echo command and redirecting to the file. Syntax The syntax of the echo command is: # echo {string} echo Command Examples ...
abhishek@linuxhandbook:~$ echo Hello World Hello World You can guess why this command is called ‘echo’. Like the sound echo, the command also simply prints what it receives in the input. Examples of the echo command in Linux Echo is often used in shell scripts to display information, su...
【Linux】文件目录类常用命令:pwd、ls、cd、mkdir、rmdir、touch、cp、rm、mv、cat、more、less、echo、head、tail、>>、In、history、、 1.pwd 命令描述全称 pwd 显示当前工作目录的绝对路径 Print Working Directory 2.ls 命令描述全称 ls [选项] [目录或文件] 列出目录内容 list 选项功能 -a 显示全部文件,...
As soon as it has found an answer,typestops looking for further matches. So it doesn't tell us if there are other commands with the same name present in the system. But it does tell us which one it finds first. And that's the one that will be used by default when we issue that...
linux 循环输出 echo linux for in循环 for循环 for 循环是固定循环,也就是在循环时已经知道需要进行几次循环。有时也把 for 循环称为计数循环。 语法: for 变量 in 值1 值2 值3… do 程序 done 1. 2. 3. 4. 在这种语法中,for 循环的次数取决于 in 后面值的个数(以空格分隔),有几个值就循环几...
echo -e "${grey}Hello ${cyan}LinuxHint" Conclusion The echo command is used to print text in the terminal. To distinguish output messages different colors can be applied to the echo output. The ANSI escape codes are used with echo that change output color. These codes can change the text...
2019-12-19 12:03 −sockets: used:已使用的所有协议套接字总量 TCP: inuse:正在使用(正在侦听)的TCP套接字数量。其值≤ netstat –lnt | grep ^tcp | wc –l TCP: orphan:无主(不属于任何进程)的TCP连接数(无用、待销毁的TCP socket数) TCP... ...
In this example,echo 'Hello, Linux!'outputs ‘Hello, Linux!’. The>operator then redirects this output to a file namedhello.txt. Thecatcommand is then used to display the contents ofhello.txt. Further Resources for Echo Command Mastery ...
In Linux, the echo command is used to display messages or text to the terminal or to redirect it to a file.