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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
351
What is the difference between /opt and /usr/local?
unix.stackexchange.com

333
Why does Linux use LF as the newline character?
unix.stackexchange.com

293
How to pipe stdout while keeping it on screen ? (and not to a output file)
stackoverflow.com

132
What's the difference between SIGSTOP and SIGTSTP?
stackoverflow.com

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

119
Does tail read the whole file?
unix.stackexchange.com

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

99
What does the .d stand for in directory names?
unix.stackexchange.com

96
#!/bin/bash - no such file or directory
unix.stackexchange.com

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

92
How can I produce high CPU load on a Linux server?
superuser.com

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

81
How do I append the UNIX command date to an echo statement
stackoverflow.com

81
Difference between terms: “option”, “argument”, and “parameter”?
stackoverflow.com

78
Why does “ps aux | grep x” give better results than “pgrep x”?
askubuntu.com

67
Why are POSIX mandatory utilities not built into the shell?
unix.stackexchange.com

65
How to delete directories based on `find` output?
unix.stackexchange.com

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

60
Vi vs vim, or, is there any reason why I would ever want to use vi?
unix.stackexchange.com

55
What does “esac” mean at the end of a bash case statement? Is it required?
unix.stackexchange.com

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

54
How does /usr/bin/env know which program to use?
unix.stackexchange.com

53
How to remove a character at the end of each line in unix
stackoverflow.com

48
Extract version number from file in shell script
stackoverflow.com

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

45
How do I run the same linux command in more than one tab/shell simultaneously?
unix.stackexchange.com

44
What does an “exec” command do?
askubuntu.com

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

39
French for “blood will tell”
french.stackexchange.com

39
“It is what it is” in French
french.stackexchange.com

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