Nohup ignore output

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Prompt appears: nohup: Ignore input redirection errors to the standard output. If you don't expect your command to read stdin you can detect if it does by Mar 10, 2022 · The output will be saved in the nohup. nohup java -jar my. log & If you have redirected the output of the command somewhere else - including /dev/null - that's where it goes instead. out', 'w') does so in Python. (returns: nohup cannot run command iostat: no such file or Dec 31, 2018 · its output was [2] 22481 along with the following: nohup: ignoring input and appending output to 'nohup. If standard output is a terminal, append output to nohup. $ nohup . You can redirect both stdout and stderr to one file. Apr 11, 2016 · stdout goes either to one you specify via redirection, or to nohup. Jul 22, 2021 · nohup . So you could do this: nohup cmd </dev/null >/dev/null 2>&1. Frequently, however, I would like to monitor the progress of my computation. /test. You could name it “audit-script-output. And the only thing it's waiting for is for you to type another command in. out' [〜＃〜] option [〜＃〜]エントリにもかかわらず、想定されていることを実行しているため、入力は破棄されます。 nohup ignoring input and appending output to 'nohup out⭐️WW88. out is still connected to the terminal, so nohup takes care of the redirection for you and any output on stderr gets redirected to nohup. nohup works when the job is initialized, disown works after the fact. This would truncate the file but leave it in place. NOTE: your shell may have its own version of nohup, which usually supersedes the version described here. Aug 7, 2018 · $ nohup: ignoring input and appending output to `nohup. I can do this by reading nohup. On Linux, running a job with nohup automatically closes its input as well. May 9, 2022 · stderr of . --help display this help and exit --version output version information and exit If standard input is a terminal, redirect it from an unreadable file. log文件。 后台进程的标志符： May 18, 2020 · Command: nohup start-seodaily-queue. py fastp-filtered May 20, 2017 · 14. out’ # Now cat the pipe xieerqi@eagle:~$ cat /tmp/mypipe Filesystem 1K-blocks Used Add this to . If you set it to a non-empty string it will work same as the -u option. To avoid this, redirect nohup 's stdin, stdout and stderr to /dev/null. Now I don't know if this will prevent the window from popping . output = pd. See bash manpage for details about redirections. out' But now I have forget the returned process id, so how can I detect the process id so as to delete the process on aws. log. sh > MyOutput. Nov 6, 2010 · The message nohup: ignoring input and appending output to 'nohup. game⭐️Tính chung 5 tháng đầu năm 2024, cán cân thương mại hàng hóa vẫn giữ xu hướng xuất siêu. This answer is right for that part. dll is executed as root by sudo, the output redirection is done by bash with your normal user privileges. 3. Prepending sudo to your command can't fix this, because only nohup dotnet application. out when you don't redirect output. nohup: failed to run command `xxx. But a simpler solution is to just redirect stderr since that's where the warning is coming from: nohup cmd 2>/dev/null. out” This is a common message you’ll see when you run a command with nohup. sh’: Permission denied. Aug 9, 2019 · I'm attempting to run a python script via nohup, and calling out the full path to it throws no such file or directory. So, all is well for now. out file, unless you specify the output file like here: nohup /path/to/test. And the code you share is an angularjs controller, which is a javascript function. Let’s say main. May 11, 2015 · I have a python script called run_class. out' [1]+ Exit 1 nohup conda activate shuffle_pair_end_reads && python3 shuffle_pair_end_reads. function detach { ( nohup $* </dev/null 2>&1 >/dev/null & disown ; sleep 0 ) >/dev/null ; } ; export -f detach. out'” is a regular occurrence when utilizing the nohup command in Unix-like systems. out文件中。 补充：nohup 命令. Jun 30, 2015 · $ nohup a. Here’s what it looks like: nohup python my_script. sh > output. e. Jul 28, 2017 · If you redirect the nohup application as: nohup bash -c "printf \"command\n\"" &> /dev/null The nohup. out in the directory specified by the HOME environment We would like to show you a description here but the site won’t allow us. txt file: nohup bash geekfile. detach gedit . scrip2. out, so if you don't want that you could try: nohup java -jar my. The nohup utility shall take the standard action for all signals except that SIGHUP shall be ignored. Apr 24, 2020 · home/workspace# nohup: ignoring input and appending output to 'nohup. Exit status: 125 if the nohup command itself fails 126 if COMMAND is found but cannot be invoked 127 if Dec 15, 2023 · Issue 1: ‘nohup: ignoring input and appending output to ‘nohup. $ >logfile. May 29, 2018 · 13. answered Aug 9, 2016 at 8:40. For details; google. For example, if you wanted to run a script named Mar 15, 2019 · nohup: ignoring input and appending output to 'nohup. For programs I use often I make an alias (and add it to my . nohup vmpstat -a -n 60 1000 > myvmstats. out) For a hint more clarity: the line that has Exit means the process called through nohup has terminated. out otherwise. jar & 但是这种方式启动项目会默认生成一个nohup. With Bash 4 (or others such as Zsh), as easy as: nohup <some-command> &> output. Check this test. log nohup: ignoring input and redirecting stderr to stdout $ cat results. stdout. . out in same location where you have executed the nohup command . sh = Your-file-name. For example, if you want to execute a bash script named geekfile. Prompt appears: Ignore the input and append the output to the "nohup. Output: Apr 27, 2014 · I run my script with this command. How to keep the terminal output from the command but not create the nohup. RSync Status cat nohup. out nohup command >/dev/null 5. Then you can run: detach e. If you want to redirect stdout and stderr to two different files use this: . answered Feb 17, 2012 at 6:11. Aug 31, 2016 · redirection prevents the default output file nohup. g. a = np. /run_class > run-class. csv’. nohup python a. Out. out 的文件到当前目录下，如果当前目录的 nohup. @Kusalananda nohup should NOT create a nohup. But nohup has no way to know that, so it tells you that any input would be discarded and any output would be written to nohup. out file when its stdout is not a tty. py & Moreover, which is super confusing, even the following command results in input being ignored: Linux nohup 命令 Linux 命令大全 nohup 英文全称 no hang up（不挂起），用于在系统后台不挂断地运行命令，退出终端不会影响程序的运行。 nohup 命令，在默认情况下（非重定向时），会输出一个名叫 nohup. out’ 敲击回车，就退出了nohup. Then when I hit the enter key, the outputs another message: [1]+ Exit nohup python Aug 27, 2023 · In conclusion, the message “nohup: ignoring input and appending output to ‘nohup. Again since I have to wait hours to see the results, I defined a counter to print out the progress of my code (%). sh. Through this guide, we have covered the basics of nohup, including its syntax, operating system compatibility, practical use cases, and solutions to common troubleshooting scenarios. answered May 30, 2019 at 14:47. out if possible, $HOME/nohup. 1. out from being created. sleep(0. txt. By default, nohup will print all output to nohup. Jan 8, 2022 · I’m running a very long Python program on Nvidia CPUs. sh bash script in the background, use the command: nohup bash example. # doesn't create nohup. ls Music/*mp3 |xargs -d "\n" mplayer ls Music/*mp3 can list all mp3 files in directory Music, send it via pipe with xargs, -d "\n" is to treat blanks in the filenames. scrip1. out (see the line that says ignoring input and appending nohup. 在执行linux命令的时候出现了下面错误：. out' nohup - run a command immune to hangups, with output to a non-tty SYNOPSIS nohup COMMAND [ARG] nohup OPTION DESCRIPTION Run COMMAND, ignoring hangup signals. Redirecting standard output to a file. If standard error is a terminal, redirect it to standard output. Please note : Nohup command creates a file with name nohup. log hello world Start hello world End . You can also use disown for a similar effect on a currently running job. sh) However, the output of your script will be concatenated, so take that in consideration when writing the output. FOr example, try: $ nohup echo "foo". out’ jobs can print currently running jobs and their status. out is still empty. 一般我们自己写的脚本，想利用nohup命令让脚本程序自己运行，但是nohup他必然会产生日志文件，所以这需要我们将日志 Dec 27, 2020 · Man page for nohup. Given that it is silent if stderr is redirected, it stands to reason that it would behave normally, and, as shown above, it does. py using Nohup, you would use the following command: nohup bash geekfile. Moreover, nohup > /dev/null should be enough. out in the current directory. bashrc) for example. I have a python script, practice_one. Let’s execute a process using the nohup command: $ nohup sleep 50000 nohup: ignoring input and appending output to 'nohup. When you prefix a command with nohup and run it from a terminal, nohup will ignore the hangup signal that the operating system sends when the terminal closes. py -n 20 2>&1 &. Run something like this. scrip4. I want to store the output (to stdout and stderr) in run-class. out当前的界面，进入正常的命令行。 输出日志信息： 接下来的输出的日志信息，将输出到nohup. The nohup definition refers to a command that prevents processes from terminating when their controlling terminal closes. The output is several csv files. Oct 9, 2017 · To get nohup to "shutup" stdin, stdout and stderr all need to be explicitly directed from/to somewhere. I'll explain both. out & I get: [1] 13553 ~$ nohup: ignoring input and redirecting stderr to stdout. If stdout or stderr had still been output to the terminal, that would've (possibly) interfered with the output of other commands sharing the terminal. If you use less to look through the "nohup. out Oct 12, 2022 · To run multiple program in a single nohup instance you would need to run the scripts in a echo running a subshell echo $() which will look like like this : nohup echo $(/. out” file and is nice for the security audit script mentioned above. out &. py > your_directory/nohup. As I am not very familiar with shell scripts, I thought I would ask for help before I Jul 28, 2017 · man Nohup "標準入力が端末の場合、読み取り不可能なファイルからリダイレクトします。" したがって、 Nohup: ignoring input and appending output to 'Nohup. flush() Running it: ️nohup ignoring input and appending output to 'nohup out⭐️WW88. For example, to run the example. Source: According to the nohup manpage I am reading, If the standard output is a terminal, the standard output is appended to the file nohup. See full list on baeldung. py file is this. nohup python3 run. I want to play all mp3 music in directory Music. nohup and disown both can be said to suppress stdin from the terminal and SIGHUP, but in different ways. On other systems, notably BSD and OS X, that Since it takes hours to run, I have to use nohup to make sure my code is still running in case I loose my connection to the server. When the program next writes to the output file, it will write to the start of the file. out" in the current directory. out in shell; stdout=open('nohup. Exiting. out file? May 30, 2019 · 2. /a. Good. It normally informs you of this but you can't see it because you're running in the background. This will write the output to the nohup. out’. out" file, you'll see the output from the first process, then the output from the second process. And the output shown on the terminal is $ nohup: appending output to 'nohup. out in the directory specified by the HOME environment Dec 16, 2021 · To run a Linux process in the background with the nohup command, add the & symbol at the end of the command: nohup [command] &. By default it will pipe the output to nohup. The one peculiar aspect of using 2>&1 with nohup is that GNU's version produces a pointless message on stderr, nohup: ignoring input and appending output to ‘nohup. py Works nohup python3 /full/path/to/file/ nohup ignoring input and appending output to 'nohup out⭐️WW88. sh > foo Basically, nohup only uses nohup. $ nohup some_command > /dev/null 2>&1&. The OP was probably bitten by the &> bashism (which will silently fail to redirect anything in other shells). If you want to run nohup without creating nohup. 即将屏幕上输出的日志信息直接输出到nohup. & puts the job in the background, i. py > /proc/1/fd/1" 2> /dev/null &. jar &. It takes long to compute the output, so I use nohup to be able to exit the process. Dec 6, 2013 · $ $ nohup test. nohup removes itself from the name of the process running. log file is truncated. out file is not created, however the terminal I ran the command also do not get any output. Then read logfile in whatever manner you want. How could we achieve to have the whole command nohup foo. sh > a. Tổng kim ngạch xuất nhập khẩu hàng hóa đạt 305,5 tỉ USD, tăng 16,6% so với cùng kỳ năm trước; xuất khẩu hàng hóa ước nohup. I searched the internet and it seems python buffers the outputs. If nohup. To save output to FILE, use 'nohup COMMAND > FILE' Simple example: $ nohup bash -c "time echo 'this is stdout' > results. log檔案。 後臺程式的標誌符： To save output to FILE, use nohup COMMAND > FILE. In bash you can abbreviate >/dev/null 2>&1 to &>/dev/null. 2. sh </dev/null &>/dev/null & Note: Replace start-seodaily-queue. You need to explicitly run setbuf () in the code to override this behavior. Oct 19, 2018 · Nohup will detach a process you run from your current console and let it continue when you close the terminal. Running the same command on my laptop, I get: nohup: ignoring input and redirecting stderr to stdout. /train_LONG. Dec 8, 2011 · On my server nohup sleep 1 > nohup. out file, this information is cut to 82 characters. Sep 16, 2022 · $ nohup keepassxc nohup: ignoring input and appending output to 'nohup. ⭐️ Jul 16, 2020 · By default, nohup command redirects all its output from the launched job to nohup. py &. You can use /dev/null as one or both of the files if you don't care about the stdout and/or stderr. var doStuff = function(){} This is a function declaration in javascript. py > nohup. There's a ton of setup, some of it for internationalisation purposes, the rest to handle the various redirection options; then the actual "nohupping" happens: signal (SIGHUP, SIG_IGN); char **cmd = argv + optind; execvp (*cmd, cmd); As you surmise, this sets the process up to ignore the HUP signal, then exec s the requested command. jar > /dev/null &. This way-. Please refer to your shell's documentation for details about the options it supports. /script. You'll find a description in nohup. nohup python -u your_code. py > output. At this point, I seemed to be getting the PID of nohup /bin/bash -c. txt and 2. ⭐️ } 6 ( w )P n $ Ŗ =I lsO I { n HIL(RKR ]7 $A l y % `0 ëg s6 c ˟ 5 m > pb M V 9 Y w/ aC 9k\ z q M ?v|( v x~f; 1 K gD s L G : Yc S s l :ӳ Ѩݞ- V WS m f ` A U M M wa Apr 10, 2018 · 3. log & nohup python /path/to/test. out 文件不可写 11. Share Oct 3, 2014 · This will print the script's output to terminal, but nohup will redirect it to "nohup. Improve this answer. It happens that the command you're running under nohup never writes to stdout or stderr, and that you aren't sending any input to it. out" And input the output result into the default file nohup. The output displays the shell job ID and process ID - [1] 7366 in the example below. sh & [1] 3390 $ nohup: ignoring input and appending output to ‘nohup. nohup bash -c 'ls /bin && ls /sbin'. 5) sys. py > /var/log/a. DEVNULL does so in Python. For using this run below commands before running python code. out文件。 解决方案如下： Oct 27, 2022 · The custom output contains the same data as the standard “nohup. out (or any other specified output file) after which the regular output of the executed command will be written Feb 28, 2024 · The nohup command is a fundamental utility for software developers and server administrators, enabling the execution of processes that outlive the terminal session. out’ 忽略输入输出，将信息化信息记录到nohup. out' is piped through stderr (AFAIK), so in order to silence that message, all you have to do is to redirect stderr to /dev/null, like so: nohup mycommand 2> /dev/null. Otherwise, nothing shall be written to the standard output. sh & /. 000s Oct 14, 2022 · The output is not what I expected. (returns: nohup cannot run command mpstat: no such file or directory) nohup iostat -t -x 60 1000 >myiostats. So I do the following (after looking on the web at some examples) nohup . out' The only workaround that works (yet not acceptable for my project) is to hard-code the input variables in the python program and use : nohup python -u . It shouldn't actually freeze you, just look confusing because it has the "nohup:" message after the prompt for your next command (and then you need to press enter to get a new prompt). DataFrame(data, columns = [“Output”]) Sep 17, 2022 · Let's say that we invoke the nohup in the following way: nohup foo. bashrc. out的文件来记录日志，而且这个文件太占磁盘内存了，几天下来发现这个文件大小有好几个G，所以为了减少磁盘被大量消耗，决定启动项目时不输出nohup. com If you want to see the output of the executed command,You need to follow this step, execute the command $tailf nohup. Examples: nohup python3 . You can also save it into your directory. I don't want to stop and rerun my program. out' nohup: appending output to 'nohup. log 2>&1& This is okay but every time I run this command /var/log/a. When you want to empty the file, simply do. From man nohup: Apr 29, 2024 · To start a process using Nohup, simply prepend the desired command with nohup. You can do your own 0< redirection, to /dev/null or a file, to avoid this. Jan 26, 2021 · 1. out' nohup: failed to run command 'keepassxc': No such file or directory How can I run the bash function with nohup? Actually I want to run nohup keepassxc >/dev/null 2>&1 & Oct 21, 2021 · Redirects stdin to /dev/null. The line Exit 2 means that there is a problem. nohup OPTION DESCRIPTION Run COMMAND, ignoring hangup signals. When the remote session is closed, the process is getting killed with the message: Caught signal SIGHUP. That's it. But you should be able to avoid the message by redirecting stdout and stderr yourself: Aug 7, 2018 · $ nohup: ignoring input and appending output to `nohup. out' is not a new command, it's just output that's landed where you expect your command entry to be. nohup does not automatically put the command it runs in the background. out & gives no help message. Share. out’ stderr Note that it also includes the stderr of nohup itself since you are redirecting output of the nohup. game⭐️WW88 bong đa truc tiêp, một thương hiệu cá cược được ngưỡng mộ tại châu Á, thu hút người chơi bằng sự đa dạng và chất lượng dịch vụ. This isn't the best option but it at least corrects the issue that made your attempts fail. Commands. And I attempted nohup python practice_one. If standard input is a terminal, redirect it from /dev/null. log 2>&1" >> results. (Was I redirecting nohup rather than the program?) Next I tried something like: nohup /bin/bash -c '' But I lost the PID. 或者：. py, that I’d like it to run forever in Ubuntu Linux, and has the following: # Code. out; stderr follows stdout unless you explicitly redirect it to another file. out file. py -n 20 2>&1 & sitting at the top of the nohup. To save output to FILE, use nohup COMMAND > FILE. out當前的介面，進入正常的命令列。 輸出日誌資訊： 接下來的輸出的日誌資訊，將輸出到nohup. sh > stdoutfile 2> stderrfile &. 000s sys 0m0. Also, you can use PYTHONUNBUFFERED. However, if you additionally want to run this process in the background with &, you will find that (for bash at Aug 30, 2023 · 2: nohup: ignoring input and appending output to 'nohup. If standard output is a terminal Feb 1, 2016 · nohup python program. py & but got the message nohup: ignoring input and appending output to ‘nohup. To do this, start the program with a >> redirection to the output file: $ somecommand >>logfile &. I want to use nohup to periodically log the output of top (every 15s). arange(1,1000) data = a*2. /dev/null is oblivion, so if you don't want the data at all, send it there. filename = ‘results. SIGHUP caught but not daemonized. >nohup. txt” in some kind of mounted remote folder and view that server’s security posture from the comfort of your own laptop rather than looking through cat outputs all day. out redirects stdout to nohup. (works) nohup mpstat -P ALL 1 1000 > mympstats. makes it block input from the shell, and makes the shell not wait for its completion. Jun 1, 2021 · nohup java -jar test. out’ 敲擊回車，就退出了nohup. Jun 20, 2020 · nohup command & can keep a command running after closing the terminal. write('ok\n') sys. You can also make functions for specific programs, such as: function gedit { ( nohup gedit $* </dev/null 2>&1 >/dev/null & disown ; sleep 0 ) >/dev/null Mar 28, 2024 · How Nohup Works. out, you can simply redirect nohup output to /dev/null as follows. You can work around this by calling a separate shell with root privileges: sudo sh nohup python -u your_code. out . Nov 12, 2015 · # make a named pipe first xieerqi@eagle:~$ mkfifo /tmp/mypipe # redirect command there xieerqi@eagle:~$ nohup bash -c "while [ 1 ] ; do df > /tmp/mypipe ; sleep 3;done " & [1] 14425 xieerqi@eagle:~$ nohup: ignoring input and appending output to ‘nohup. out file will also be created, in which number 1 and 2 are included. Yeh, this is got to do with the way stdout is buffered by default on Linux. log & [1] 6535 $ nohup: ignoring input and redirecting stderr to stdout $ $ cat MyOutput. Give it a shot :) Sep 11, 2013 · Ironically enough, when run on a different server, the script works fine. Nov 19, 2020 · The nohup command executes another program specified as its argument and ignores all SIGHUP (hangup) signals. --help display this help and exit --version output version information and exit Name nohup - run a command immune to hangups, with output to a non-tty This will redirect both stdout and stderr to the same file. It’s not an error, but rather an informational message. py & The program contains a loop which runs a function and prints its output each time: for i in s: print f(i) I started the program yesterday, but my nohup. less nohup. nohup 英文全称 no hang up（不挂起），用于在系统后台不挂断地运行命令，退出终端不会影响程序的运行。 If you're using nohup, that probably means you want to run the command in the background by putting another & on the end of the whole thing: nohup command >/dev/null 2>&1 & # runs in background, still doesn't create nohup. nohup . out cannot be created or opened for appending, the output shall be appended to the end of the file nohup. --help display this help and exit --version output version information and exit If standard input is a terminal, redirect it from /dev/null. Dan D. You can do the same with stdout: nohup a. Jan 25, 2024 · Use single quote marks " ' " to wrap the command list and double ampersands " && " to separate the commands. Feb 28, 2016 · The redirection of stdin for nohup is entirely optional as nohup will usually redirect it to </dev/null if it was a terminal, to avoid the terminal not being able to close when you type exit. py & # Output: # nohup: ignoring input and appending output to 'nohup. Understanding that this message signifies the detachment of input and output from your console is essential for effective command execution. Com⭐️WW88 Dù đã có lịch sử lâu dài trong ngành, sieukhung vẫn liên tục là điểm sáng thu hút sự chú ý của người chơi cá cược, nhờ vào sự uy tín và chất lượng dịch vụ. nohup: ignoring input and appending output to ‘nohup. For that, I log into the server with SSH, carry out the following command, and log out again: nohup top -b -c -d15 & The -c flag provides additional information about the command, but in the generated nohup. log & [1] 33376 nohup: ignoring input and appending output to 'nohup. Syntax nohup [ Command [ Arg ]] Run command such that it will ignore hangup signals. Note that commands can set their own response to hangups, overriding nohup. Although the command still runs and completes correctly, I do not understand why there is a difference in the reporting of this message between my two machines. There's no reason to use nohup to do any of those things; they're all trivial to do without it: </dev/null redirects stdin from /dev/null in shell; stdin=subprocess. out using vi or tail, but this can be time consuming to do a lot, especially when my computations To save output to FILE, use 'nohup COMMAND > FILE'. sh 2>er $ cat er nohup: ignoring input and appending output to ‘nohup. If the standard output is a terminal, all output written by the named utility to its standard output shall be appended to the end of the file nohup. out. You can fix your command by using the shell to indirectly start your program so that you can redirect its output rather than the output of nohup: nohup bash -c "exec python tester. Run a command immune to hangups, runs the given Command with hangup signals (SIGHUP) ignored, so that the command can continue running in the background after you log out. One must do that explicitly, by ending the command line with an &. 001s user 0m0. out' That’s all, now your rsync process will run in the background, no matter what happens it will be there unless you kill the process from command line, but it will not be interrupted if you close your linux terminal, or if you logout from the server. Aug 9, 2016 · The title and the content has different explanations. 即將螢幕上輸出的日誌資訊直接輸出到nohup. scrip3. STDOUT top If the standard output is not a terminal, the standard output of nohup shall be the standard output generated by the execution of the utility specified by the operands. out' Then, nohup gives no more output to the screen; it is all written to nohup. sh &. For more understanding read below articles: Reference 1; Reference 2; Reference 3 Mar 18, 2024 · Executing a program using the nohup command ensures that the hangup signals are ignored and the process continues to run. I tried starting a shell script via a remote session, which starts a process in the background using the command. A nohup. This was able to capture the PID, but redirection did not work. With nohup somecommand &, the & sort of happens before the nohup. Output the result to the specified file a. Jun 27, 2019 · 2. out' Mar 24, 2018 · Your problem lies in the file permissions (or a read-only filesystem). alias show_state='nohup /bin/bash -c "sleep 15 nohup: ignoring input and appending output to 'nohup. My suggestion is to avoid nohup, if you're using the bash shell, it allows you to disassociate the command from your shell. py file I made: import sys import time while True: time. sh /dev/null & To avoid the above message you need to start it like : nohup start-seodaily-queue. To avoid this, you need to explicitly redirect the program's output: May 14, 2023 · プログラムをバックグラウンドで安全に実行するために「nohupコマンド」を知りたいですか？このコマンドは、セッションが終了した後でもタスクを継続させることが可能です。当記事では、Nohupコマンドの基本的な使い方や実践的な例を詳細に解説しています。初心者にもわかりやすい一覧表 May 11, 2022 · nohup: ignoring input and appending output to ‘nohup. SIGHUP is a signal that is sent to a process when its controlling terminal is closed. Output: To redirect the output to the output. sh >MyOutput. log this is stdout real 0m0. I can't tell you why there's no separate option for nohup to set the output, but if your shell can take care of that, you don't really need an option. sh: line 5: mumbojumbo: command not found [1]+ Exit 127 nohup test. out' Now, let’s start another login session and check the process tree using the pstree command: Run COMMAND, ignoring hangup signals. You can't find it with ps ax| grep nohup for this reason. txt will be created, but they contain nothing. wr nd ph uh ds xn un gr xp ok