unix Archives - Page 10 of 19

sometimes my file just freezes in my vi |vim, what happened?

Sometimes when I edit my file using vi or vim, my file just freezes. Even if I type Ctrl+C or Ctrl+D, it still ...

May 15, 2022
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Display filename before matching line

How can I get grep to display the filename before the matching lines in its output? 6 Answers 6

May 14, 2022
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How to Free Inode Usage?

I have a disk drive where the inode usage is 100% (using df -i command). However after deleting files substantially, the usage remains ...

May 14, 2022
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Where can I set environment variables that crontab will use?

I have a crontab running every hour. The user running it has environment variabless in the .bash_profile that work when the user runs ...

May 14, 2022
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What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for ...

May 14, 2022
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How to make the ‘cut’ command treat same sequental delimiters as one?

I’m trying to extract a certain (the fourth) field from the column-based, ‘space’-adjusted text stream. I’m trying to use the cut command in ...

May 14, 2022
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Why do you need ./ (dot-slash) before executable or script name to run it in bash?

When running scripts in bash, I have to write ./ in the beginning: $ ./manage.py syncdb If I don’t, I get an error ...

May 14, 2022
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Replace comma with newline in sed on MacOS?

I have a file of strings that are comma separated. I’m trying to replace the commas with a new line. I’ve tried: sed ...

May 14, 2022
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How do you do a case insensitive search using a pattern modifier using less?

It seems like the only way to do this is to pass the -i parameter in when you initially run less. Does anyone ...

May 14, 2022
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What is the fastest way to get the value of π?

I’m looking for the fastest way to obtain the value of π, as a personal challenge. More specifically, I’m using ways that don’t ...

May 13, 2022
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