User Jeff Schaller - Unix & Linux Stack Exchange

117 votes

Accepted

Counting occurrences of word in text file

answered Oct 16, 2017 at 13:31

83 votes

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How can I replace a string in a previous command on the command-line?

answered Nov 16, 2015 at 17:29

75 votes

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Why is the wild card character * so different between the zip and rm commands?

answered May 21, 2016 at 15:13

67 votes

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Return owner of process given PID

answered May 23, 2016 at 14:30

43 votes

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How to delete the rest of each line after a certain pattern or a string in a file?

answered Jan 25, 2016 at 15:16

43 votes

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Is it true that a tarball can change where files are extracted to regardless of the commands used to extract it?

answered Aug 30, 2018 at 13:43

43 votes

What is the meaning of [[:space:]] in bash?

answered Jul 16, 2019 at 1:58

40 votes

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Linux shell script: Run a program only if it exists, ignore it if it does not exist

answered Jan 29, 2019 at 20:20

37 votes

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Bash - Integer expression expected

answered Jul 3, 2016 at 0:30

35 votes

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echo [9876543210] displays 1 4 5 6 ... why?

answered Feb 27, 2017 at 18:55

34 votes

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Running a command on many files

answered Jul 1, 2017 at 20:26

34 votes

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Display Spinner while waiting for some process to finish

answered Aug 24, 2015 at 17:22

34 votes

Non-root user getting root access after running "sudo vi /etc/hosts"

answered Mar 10, 2018 at 1:44

32 votes

rename files to change spaces to underscore

answered Nov 16, 2017 at 18:51

28 votes

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Simulate the running of a "make install" -- a "dry run" or simulator utility?

answered Apr 11, 2016 at 23:40

27 votes

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Remove extra header lines from file, except for the first line

answered Jan 26, 2016 at 19:06

27 votes

Bash multiplication and addition

answered Jul 30, 2016 at 21:01

27 votes

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How can I determine, within a shell script, whether it is being called by systemd or not?

answered Dec 4, 2020 at 13:37

24 votes

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Check all lines of a file are unique

answered Jul 6, 2018 at 16:36

23 votes

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Copy last n-lines from one file to another

answered Apr 12, 2016 at 9:26

22 votes

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How to know if extglob is enabled in the current bash session?

answered Jan 14, 2016 at 16:41

22 votes

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What's with all the renames: prename, rename, file-rename?

answered Sep 12, 2015 at 14:04

21 votes

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Where is .bashrc file found in Linux?

answered Jun 24, 2015 at 0:31

21 votes

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How call a function inside another function

answered Mar 4, 2016 at 16:36

21 votes

Accepted

How to insert a string into a text variable at specified position

answered Jun 7, 2017 at 19:02

21 votes

How to get only the version number of PHP using shell commands?

answered Sep 26, 2018 at 12:36

21 votes

Accepted

Why is this number matched with this regex?

answered Feb 8, 2018 at 15:55

20 votes

ls -d command only returns `.` eg, and no child directories

answered Mar 24, 2022 at 16:07

19 votes

Allow bash script to be run as root, but not sudo

answered Dec 29, 2020 at 22:24

19 votes

How to list *.tar.gz, one filename per line?

answered Nov 27, 2018 at 17:03

Stack Exchange Network

1,815 Answers

Counting occurrences of word in text file

How can I replace a string in a previous command on the command-line?

Why is the wild card character * so different between the zip and rm commands?

Return owner of process given PID

How to delete the rest of each line after a certain pattern or a string in a file?

Is it true that a tarball can change where files are extracted to regardless of the commands used to extract it?

What is the meaning of [[:space:]] in bash?

Linux shell script: Run a program only if it exists, ignore it if it does not exist

Bash - Integer expression expected

echo [9876543210] displays 1 4 5 6 ... why?

Running a command on many files

Display Spinner while waiting for some process to finish

Non-root user getting root access after running "sudo vi /etc/hosts"

rename files to change spaces to underscore

Simulate the running of a "make install" -- a "dry run" or simulator utility?

Remove extra header lines from file, except for the first line

Bash multiplication and addition

How can I determine, within a shell script, whether it is being called by systemd or not?

Check all lines of a file are unique

Copy last n-lines from one file to another

How to know if extglob is enabled in the current bash session?

What's with all the renames: prename, rename, file-rename?

Where is .bashrc file found in Linux?

How call a function inside another function

How to insert a string into a text variable at specified position

How to get only the version number of PHP using shell commands?

Why is this number matched with this regex?

ls -d command only returns `.` eg, and no child directories

Allow bash script to be run as root, but not sudo

How to list *.tar.gz, one filename per line?