sort – This command can be used to sort the output of any search just by any field or any particular column of the field. We’ve already covered two articles on Linux sort command, you can find them below: 14 Linux ‘sort’ Command Examples – Part 1 7 Useful Linux ‘sort’ Command...
-mtime -n +n 按照文件的更改时间来查找文件, - n 表示文件更改时间距现在 n 天以内,+ n 表示文件更改时间距现在 n 天以前。find 命令还有-atime 和-ctime 选项,但它们都和-m time 选项。 -nogroup 查找无有效所属组的文件,即该文件所属的组在/etc/groups 中不存在。
find dir[ ...] -atime T find dir[ ...] -ctime T find dir[ ...] -mtime T find dir[ ...] -newer NAME -atime T:列出atime在指定时间被更新过的文件。 -ctime T:列出ctime在指定时间被更新过的文件。 -mtime T:列出mtime在指定时间被更新过的文件。 -newer NAME:使用文件或目录比较,列出比...
timeout $duration blktrace -d $1 >/dev/null 2>&1 DEVNAME=`basename $1` echo "parsing blktrace data..." blkparse -i $DEVNAME |sort -g -k8 -k10 -k4 |awk ' BEGIN { total_read=0; total_write=0; maxwait_read=0; maxwait_write=0; } { if ($6=="Q") { queue_ts=$4; ...
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PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 22804 root 20 0 108096 616 516 R 99.7 0.0 1:05.71 dd 可以看到该dd进程消耗了 99.7% 的 CPU。 备注 可以通过选择1在top工具中显示每 CPU 使用率。 如果进程是多线程的,并且跨越多个 CPU,该工具top将显示总使用率超过 100%。
NOTE If you have any questions about the commands described in the previous sections, you may be able to find the answers by using the man command. 注意 如果您对前面章节中描述的命令有任何疑问,可以使用 man 命令找到答案。 Manual pages are referenced by numbered sections. When someone refers to...
find [path] [criteria]Some useful criteria options for find include:-type f –Search for only normal files, omitting directories. -mtime +30 –Search for files modified over 30 days ago. -user jane –Search for files belonging to user “jane.”...
s1: 1 second interval. M: sort by mem. P: sort by CPU. T: time and fo: get help. md5sum /bin/ps-> checksum rpm's md5sum file /bin/ps # unix file cmd/ file command. ie. file /etc/security/lastlog to tell file type.kill...
If not, you can omit the sed command by switching the order of timestamp and dirname in the echo command and changing the sort command to sort -k2,2. As for the mentioned Exclude specific directory names using regex, add your own logic to the find command or whatever....