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New posts in unix
How to replace one character with two characters using tr
Aug 31, 2022
shell
unix
tr
"Illegal option" error when using find on macOS
Feb 22, 2022
macos
bash
shell
unix
find
what does terminal command: ls -l show?
Sep 22, 2018
macos
unix
terminal
ls
Why fork() before setsid()
Jan 10, 2021
c
linux
system
unix
How can I parse CSV files on the Linux command line? [closed]
Aug 30, 2022
linux
unix
csv
Redirecting TCP-traffic to a UNIX domain socket under Linux
Aug 30, 2022
linux
unix
networking
sockets
tcp
Printing only the first field in a string
Aug 26, 2022
unix
sed
awk
field
cut
compare contents of two directories on remote server using unix
Aug 30, 2022
unix
diff
ksh
rsync
vimdiff
Performing grep operation in tar files without extracting
Aug 30, 2022
unix
How to convert a tab-separated file into a comma-separated file?
Aug 16, 2022
csv
unix
Delete all SYSTEM V shared memory and semaphores on UNIX-like systems
Aug 30, 2022
linux
unix
posix
semaphore
shared-memory
Which program creates a C array given any file?
Feb 27, 2022
c
linux
arrays
unix
What is available and free memory in response of free command on Linux? [closed]
Aug 30, 2022
linux
unix
memory
heap-memory
free-command
What is the difference between Ctrl-C and SIGINT?
Aug 30, 2022
unix
sigint
keyboardinterrupt
Does bash have a way to un-export a variable without unsetting it?
Aug 30, 2022
bash
shell
unix
sh
environment
Hide/encrypt password in bash file to stop accidentally seeing it
Oct 31, 2017
security
bash
unix
passwords
Questions about putenv() and setenv()
Aug 30, 2022
c
linux
unix
environment-variables
setenv
How can I use the UNIX shell to count the number of times a letter appears in a text file?
Nov 12, 2022
unix
word-count
How to recursively copy directories starting with "abc" on Linux/Unix?
Aug 30, 2022
linux
unix
copy
rsync
How to merge two files using AWK? [duplicate]
Aug 16, 2022
linux
bash
unix
awk
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