排序: -o 2s:Sort by first column (2s traffic average) -o 10s:Sort by second column (10s traffic average[default] -o 40s:Sort by third column (40s traffic average) -o source:Sort by source address -o destination:Sort by destination address The following options are only available in comb...
# 总核数 = 物理CPU个数 X 每颗物理CPU的核数 # 总逻辑CPU数 = 物理CPU个数 X 每颗物理CPU的核数 X 超线程数 # 查看物理CPU个数 cat /proc/cpuinfo| grep “physical id”| sort| uniq| wc -l 2 # 查看每个物理CPU中core的个数(即核数) cat /proc/cpuinfo| grep “cpu cores”| uniq cpu ...
AI代码解释 # ls--sort=extension # ls--sort=size # ls--sort=time # ls--sort=version # ls--sort=none 5. 使用 ls 命令为目录的每个内容打印数字 UID 和 GID。 上面的场景可以使用 flag 来实现-n(Numeric-uid-gid) 以及ls命令。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # ls-n im...
Sorting orders: -o 2s Sort by first column (2s traffic average) -o 10s Sort by second column (10s traffic average) [default] -o 40s Sort by third column (40s traffic average) -o source Sort by source address -o destination Sort by destination address The following options are only avail...
# mount | column -t # 查看挂接的分区状态 # fdisk -l # 查看所有分区 # swapon -s # 查看所有交换分区 # hdparm -i /dev/hda # 查看磁盘参数(仅适用于IDE设备) # dmesg | grep IDE # 查看启动时IDE设备检测状况网络 # ifconfig # 查看所有网络接口的属性 ...
The second is based on4thfield which is non-numeric. If the delimiter isTabyou may use$'\t'in place of'+', as shown in the above example. 19. Randomly Sorting Output by File Size Sort the output of thels -l commandfor your home directory based on the fifth column, which represents...
This chapter is a guide to the Unix commands and utilities that will be referenced throughout this book. This is preliminary material, and you may ...
therefore thesortcommand arranges data by considering the first digit of the second column, not the whole number of the second column. Thus, the line containing digit278displays before the line containing digit28. If we use the-noption with-k(for column select), then the data displays in as...
The first column is a brief description of the system. The second column details the type of the embedded system. The next four columns characterize the system based on the criteria outlined in the previous section. Table 1-1. Example embedded Linux systems’ characteristics Description Type ...
逻辑CPU:grep 'processor' /proc/cpuinfo| sort -k 3 -n ,sort -n表示按数字升序而不是ascii码-r,-k表示按第3列排序,-u删除重复行。 w命令第二行信息包括如下字段: USER – 登录用户名. TTY – 登录用户使用的终端名,tty是teletype简称. FROM –登录用户的来源主机名或IP地址,可固定为IP ...