Difference between revisions of "Useful Linux commands"
Line 1: | Line 1: | ||
+ | == chown == | ||
+ | |||
+ | <code> | ||
+ | chown -R nobody:users /mnt/disk1/Download | ||
+ | </code> | ||
+ | |||
== grep == | == grep == | ||
Revision as of 15:24, 15 December 2018
Contents
chown
chown -R nobody:users /mnt/disk1/Download
grep
grep -nr 'yourString*' .
The dot at the end searches the current directory. Meaning for each parameter:
-n Show relative line number in the file 'yourString*' String for search, followed by a wildcard character -r Recursively search subdirectories listed . Directory for search (current directory)
How to grep ps output with headers [1]
ps -ef | egrep "Download|PID"
FreeBSD
- su:
The su utility requests appropriate user credentials via PAM and switches to that user ID (the default user is the superuser). A shell is then executed.
pstree
- shows a tree of processes! [2]
du -sh foldername
- (h)uman readable (s)ummary for disk usage of foldername [3]
lsof -ad3-999 -c rsync
- to see what files rsync currently has opened [4]