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4. MTU 请求（REQEUST）
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How can I see the size of files and directories in linux? [closed]
How can I see the size of files and directories in Linux? If use df -m , then it shows the size of all the directory at the top level, but, for the directories and files inside the directory, how do I check the size?
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How to find the operating system version using JavaScript?
...' => 'Windows ME',
'Open BSD' => 'OpenBSD',
'Sun OS' => 'SunOS',
'Linux' => '(Linux)|(X11)',
'Mac OS' => '(Mac_PowerPC)|(Macintosh)',
'QNX' => 'QNX',
'BeOS' => 'BeOS',
'OS/2' => 'OS/2',
'Search Bot'=>'(nuhk)|(Googlebot)|(Yammybot)|(Openbot)|(Slurp)|(MSNBot)|(Ask Jeeves/Teo...
Is file append atomic in UNIX?
...mic. That should be at least 512 bytes, though it could easily be larger (linux seems to have it set to 4096).
This assume that you're talking all fully POSIX-compliant components. For instance, this isn't true on NFS.
But assuming you write to a log file you opened in 'O_APPEND' mode and keep y...
How to stop and restart memcached server?
How to stop and restart memcached server 1.4.5 in linux OS from command line?
12 Answers
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
I want to search for files containing DOS line endings with grep on Linux. Something like this:
9 Answers
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Shell Script: Execute a python program from within a shell script
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Just make sure the python executable is in your PATH environment variable then add in your script
python path/to/the/python_script.py
Details:
In the file job.sh, put this
#!/bin/sh
python python_script.py
Execute this command to ma...
How can I do division with variables in a Linux shell?
... It has to be noted somewhere on this page that most (if not all) GNU/Linux shells only perform integer operations.
– Skippy le Grand Gourou
Sep 19 '14 at 12:47
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Should I put #! (shebang) in Python scripts, and what form should it take?
Should I put the shebang in my Python scripts? In what form?
12 Answers
12
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Recommended way to get hostname in Java
...ults in an error some times. E.g., here is what I get in an Amazon EC2 AMI Linux instance: java.net.UnknownHostException: Name or service not known java.net.InetAddress.getLocalHost(InetAddress.java:1438)
– Marquez
Mar 18 '13 at 13:42
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