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jlliagre

Unix, Linux and middleware advanced customer support engineer & software developer. Wrote my first "hello world" C program on Unix version 7 in 1984. The views expressed on this web site are my own.

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Top Questions
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Top Answers
392
What is the difference between /opt and /usr/local?
unix.stackexchange.com

337
Why does Linux use LF as the newline character?
unix.stackexchange.com

329
How to pipe stdout while keeping it on screen ? (and not to a output file)
stackoverflow.com

142
What's the difference between SIGSTOP and SIGTSTP?
stackoverflow.com

122
Why would you `cat /dev/null > /var/log/messages`?
superuser.com

120
Does tail read the whole file?
unix.stackexchange.com

109
How can I produce high CPU load on a Linux server?
superuser.com

108
What does the .d stand for in directory names?
unix.stackexchange.com

108
Why is cd not a program?
unix.stackexchange.com

107
#!/bin/bash - no such file or directory
unix.stackexchange.com

104
Difference between terms: “option”, “argument”, and “parameter”?
stackoverflow.com

92
How can I make my own “shell commands” (e.g. mkdir/cd combo)?
superuser.com

90
Why can't I remove the '.' directory?
unix.stackexchange.com

84
How do I append the UNIX command date to an echo statement
stackoverflow.com

84
Why does “ps aux | grep x” give better results than “pgrep x”?
askubuntu.com

76
How to delete directories based on `find` output?
unix.stackexchange.com

68
Why are POSIX mandatory utilities not built into the shell?
unix.stackexchange.com

63
Vi vs vim, or, is there any reason why I would ever want to use vi?
unix.stackexchange.com

61
How to remove a character at the end of each line in unix
stackoverflow.com

60
Linux: Difference between /dev/console , /dev/tty and /dev/tty0
unix.stackexchange.com

56
Extract version number from file in shell script
stackoverflow.com

56
What does “esac” mean at the end of a bash case statement? Is it required?
unix.stackexchange.com

55
How does /usr/bin/env know which program to use?
unix.stackexchange.com

54
How do I replace AND (&&) in a for loop?
unix.stackexchange.com

53
What does an “exec” command do?
askubuntu.com

49
How do I run the same linux command in more than one tab/shell simultaneously?
unix.stackexchange.com

47
What's the philosophy behind delaying writing data to disk?
unix.stackexchange.com

41
How exactly does “/bin/[” work?
unix.stackexchange.com

41
All newlines are removed when saving cat ouput into a variable
stackoverflow.com

40
“It is what it is” in French
french.stackexchange.com

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