获取当前正在运行的bash进程的版本 # As a string. "$BASH_VERSION" # As an array. "${BASH_VERSINFO[@]}" 打开用户首选的文本编辑器 "$EDITOR" "$file" # NOTE: This variable may be empty, set a fallback value. "${EDITOR:-vi}" "$file" 获取
Unlike the previous commands, usingnohupallows you to run a command in the background and keep it running. How?nohupbypasses the HUP signal (signal hang up), making it possible to run commands in the background even when the terminal is off. Combine this command with redirection to “/dev...
You have several options at your disposal. The most obvious and straightforward option is to start a new shell session and run the command in it. Another option is to run the command in the background. A background process is a process/command that is started from a terminal and runs in...
Run Linux Command or Process in Background If a process is already in execution, such as thetar command examplebelow, simply pressCtrl+Zto stop it then enter the commandbgto continue with its execution in the background as a job. You can view all your background jobs by typingjobs. Howev...
Putting it all together, you get something like “ls tried to open /dsafsda but couldn’t because it doesn’t exist.” This may seem obvious, but these messages can get a little confusing when you run a shell script that includes an erroneous command under a different name. ...
$ go run http_server.go Uploaded File: data-file.txt File Size: 47556070 MIME Header: map[Content-Disposition:[form-data; name="file"; filename="data-file.txt"] Content-Type:[text/plain]] 参考文献 curl: (26) Failed to open/read local data from file/application - CSDN 回到顶部(B...
processes runina separate process group. When a background job completes, the shell prints a line containing itsexitstatus. -n Read commands butdonot execute them. This may be used to check a shell scriptforsyntax errors. This is ignored by interactive shells. ...
echo "You are logged in as ‘whoami‘"; if [ ‘whoami‘ != "oracle" ]; then echo "Must be logged on as oracle to run this script." exit fi echo "Running script at ‘date‘" 为与Oracle 数据库交互而编写的脚本有时需要输入敏感信息,如数据库密码。stty –echo命令关闭屏幕响应,这样为随后...
你可以使用chsh命令来更改你的Shell(例如ksh或tcsh),但请记住,本书假设你正在运行bash。 2.7 Dot Files(点文件) Change to your home directory, take a look around with ls, and then run ls -a. Do you see the difference in the output? When you run ls without the -a, you won’t see the ...
在/run/user/UID/gvfs/ 或~/.gvfs 位置中查找 GVFS 挂载。 13.2. 对不可见连接的 USB 磁盘的故障排除 当您连接闪存驱动器时,GNOME 桌面可能不会显示它。如果您的闪存驱动器在 Files 中不可见,但您可以在 Disks 应用程序中看到它,您可以尝试在 Disks 中设置 Show...