如何查看busybox 版本

使用 ls -j

$ ls -j
ls: invalid option -- j
BusyBox v1.34.1 (2021-10-26 18:45:18 UTC) multi-call binary.

Usage: ls [-1AaCxdLHRFplinshrSXvctu] [-w WIDTH] [FILE]...

List directory contents

    -1  One column output
    -a  Include names starting with .
    -A  Like -a, but exclude . and ..
    -x  List by lines
    -d  List directory names, not contents
    -L  Follow symlinks
    -H  Follow symlinks on command line
    -R  Recurse
    -p  Append / to directory names
    -F  Append indicator (one of */=@|) to names
    -l  Long format
    -i  List inode numbers
    -n  List numeric UIDs and GIDs instead of names
    -s  List allocated blocks
    -lc List ctime
    -lu List atime
    --full-time List full date/time
    -h  Human readable sizes (1K 243M 2G)
    --group-directories-first
    -S  Sort by size
    -X  Sort by extension
    -v  Sort by version
    -t  Sort by mtime
    -tc Sort by ctime
    -tu Sort by atime
    -r  Reverse sort order
    -w N    Format N columns wide
    --color[={always,never,auto}]

使用 uname -u

$ uname -u
uname: invalid option -- u
BusyBox v1.34.1 (2021-10-26 18:45:18 UTC) multi-call binary.

Usage: uname [-amnrspvio]

Print system information

    -a  Print all
    -m  Machine (hardware) type
    -n  Hostname
    -r  Kernel release
    -s  Kernel name (default)
    -p  Processor type
    -v  Kernel version
    -i  Hardware platform
    -o  OS name

使用 time

$ time
BusyBox v1.34.1 (2021-10-26 18:45:18 UTC) multi-call binary.

Usage: time [-vpa] [-o FILE] PROG ARGS

Run PROG, display resource usage when it exits

    -v  Verbose
    -p  POSIX output format
    -f FMT  Custom format
    -o FILE Write result to FILE
    -a  Append (else overwrite)

使用 basename

$ basename
BusyBox v1.34.1 (2021-10-26 18:45:18 UTC) multi-call binary.

Usage: basename FILE [SUFFIX]

Strip directory path and .SUFFIX from FILE

使用 vconfig

# vconfig
BusyBox v1.34.1 (2021-10-26 18:45:18 UTC) multi-call binary.

Usage: vconfig COMMAND [OPTIONS]

Create and remove virtual ethernet devices

    add IFACE VLAN_ID
    rem VLAN_NAME
    set_flag IFACE 0|1 VLAN_QOS
    set_egress_map VLAN_NAME SKB_PRIO VLAN_QOS
    set_ingress_map VLAN_NAME SKB_PRIO VLAN_QOS
    set_name_type NAME_TYPE