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New posts in unix
How to close a file descriptor from another process in unix systems
Sep 03, 2022
bash
unix
file
file-descriptor
lsof
Differences between System V and Posix semaphores
Sep 03, 2022
unix
comparison
posix
semaphore
tradeoff
How to cut a string after a specific character in unix
Oct 20, 2022
string
shell
unix
sed
awk
Tilde not recognized in Mac terminal
Sep 03, 2022
macos
bash
unix
tilde
Which systems define EAGAIN and EWOULDBLOCK as different values?
Sep 15, 2022
unix
posix
errno
How to get the process id of a bash subprocess on command line
Sep 03, 2022
macos
bash
shell
unix
process
How to find all python installations on mac os x and uninstall all but the native OS X installation
Sep 03, 2022
python
macos
unix
pip
How do I manipulate $PATH elements in shell scripts?
Sep 03, 2022
unix
shell
idioms
path-variables
What are #file# and file~ and how can I get rid of them?
Feb 20, 2022
unix
emacs
What's the difference between tempfile and mktemp?
Sep 03, 2022
linux
bash
unix
Grep files containing two or more occurrence of a specific string
Sep 03, 2022
unix
grep
Use tee (or equivalent) but limit max file size or rotate to new file
Feb 17, 2022
unix
shell
logging
tee
Why ssh fails from crontab but succedes when executed from a command line?
Sep 03, 2022
bash
unix
ssh
crontab
What are the rules for valid identifiers (e.g. functions, vars, etc) in Bash?
Sep 04, 2022
linux
bash
unix
syntax
How to use pipe within -exec in find
Sep 03, 2022
unix
find
exec
pipe
Finding days between 2 unix timestamps in php
Sep 03, 2022
php
unix
timestamp
strtotime
mktime
How does C code call assembly code (e.g. optimized strlen)?
Sep 03, 2022
c
unix
assembly
How I trigger the "System Bell" in nodejs
Sep 03, 2022
javascript
unix
node.js
Piping tail output though grep twice
Oct 30, 2022
bash
shell
unix
grep
tail
How do I make tmux reorder windows when one is deleted?
Aug 17, 2022
unix
tmux
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